diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index 1048641c9..78422b8bf 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -75,6 +75,11 @@ parameters:
 			count: 1
 			path: src/Operation/Head.php
 
+		-
+			message: "#^Parameter \\#1 \\.\\.\\.\\$ of closure expects callable\\(mixed, mixed, iterable\\)\\: bool, Closure\\(mixed, mixed, CachingIterator\\)\\: bool given\\.$#"
+			count: 1
+			path: src/Operation/Init.php
+
 		-
 			message: "#^Foreach overwrites \\$current with its value variable\\.$#"
 			count: 1
diff --git a/src/Contract/Operation.php b/src/Contract/Operation.php
index 7e7a5b95b..c1adde937 100644
--- a/src/Contract/Operation.php
+++ b/src/Contract/Operation.php
@@ -11,16 +11,12 @@
 
 use Closure;
 
-/** @immutable */
+/**
+ * @immutable
+ */
 interface Operation
 {
-    /**
-     * @pure
-     */
     public function __invoke(): Closure;
 
-    /**
-     * @pure
-     */
     public static function of(): Closure;
 }
diff --git a/src/Operation/AbstractOperation.php b/src/Operation/AbstractOperation.php
index 2a4253419..d42b2ed53 100644
--- a/src/Operation/AbstractOperation.php
+++ b/src/Operation/AbstractOperation.php
@@ -17,16 +17,10 @@
  */
 abstract class AbstractOperation implements Operation
 {
-    /**
-     * @pure
-     */
     final public function __construct()
     {
     }
 
-    /**
-     * @pure
-     */
     public static function of(): Closure
     {
         return (new static())->__invoke();
diff --git a/src/Operation/All.php b/src/Operation/All.php
index d0b6f7a1e..cbf8c874c 100644
--- a/src/Operation/All.php
+++ b/src/Operation/All.php
@@ -20,8 +20,6 @@
 final class All extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(bool): Closure(iterable<TKey, T>): iterable<int, T>|iterable<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Append.php b/src/Operation/Append.php
index 9f195849d..28f9519cc 100644
--- a/src/Operation/Append.php
+++ b/src/Operation/Append.php
@@ -24,8 +24,6 @@
 final class Append extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(T...): Closure(iterable<TKey, T>): Generator<int|TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Apply.php b/src/Operation/Apply.php
index 5846fd91d..3be9b922d 100644
--- a/src/Operation/Apply.php
+++ b/src/Operation/Apply.php
@@ -23,8 +23,6 @@
 final class Apply extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(callable(T=, TKey=, iterable<TKey, T>=):bool ...): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Associate.php b/src/Operation/Associate.php
index 788281cb5..a280f1aeb 100644
--- a/src/Operation/Associate.php
+++ b/src/Operation/Associate.php
@@ -23,8 +23,6 @@
 final class Associate extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @template NewTKey
      * @template NewT
      *
diff --git a/src/Operation/AsyncMap.php b/src/Operation/AsyncMap.php
index 5e2420121..f742300f4 100644
--- a/src/Operation/AsyncMap.php
+++ b/src/Operation/AsyncMap.php
@@ -36,8 +36,6 @@
 final class AsyncMap extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @template V
      *
      * @return Closure(callable(T, TKey): V): Closure(iterable<TKey, T>): Generator<TKey, V>
diff --git a/src/Operation/AsyncMapN.php b/src/Operation/AsyncMapN.php
index ffed4518e..a8bc0b12c 100644
--- a/src/Operation/AsyncMapN.php
+++ b/src/Operation/AsyncMapN.php
@@ -36,8 +36,6 @@
 final class AsyncMapN extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(callable(mixed, mixed): mixed ...): Closure(iterable<TKey, T>): Generator<mixed, mixed>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Cache.php b/src/Operation/Cache.php
index c281756db..b75098ca2 100644
--- a/src/Operation/Cache.php
+++ b/src/Operation/Cache.php
@@ -26,8 +26,6 @@
 final class Cache extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(CacheItemPoolInterface): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Chunk.php b/src/Operation/Chunk.php
index d7aa3bfca..aac0bd573 100644
--- a/src/Operation/Chunk.php
+++ b/src/Operation/Chunk.php
@@ -24,8 +24,6 @@
 final class Chunk extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(int...): Closure(iterable<TKey, T>): Generator<int, list<T>>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Coalesce.php b/src/Operation/Coalesce.php
index 3731ccd96..14b9cccdf 100644
--- a/src/Operation/Coalesce.php
+++ b/src/Operation/Coalesce.php
@@ -21,16 +21,14 @@
 final class Coalesce extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
     {
         /** @var Closure(iterable<TKey, T>): Generator<TKey, T> $pipe */
-        $pipe = Pipe::of()(
-            Compact::of()(),
-            Head::of(),
+        $pipe = (new Pipe())()(
+            (new Compact())()(),
+            (new Head())(),
         );
 
         // Point free style.
diff --git a/src/Operation/Collapse.php b/src/Operation/Collapse.php
index 0f515d8c7..f3f742880 100644
--- a/src/Operation/Collapse.php
+++ b/src/Operation/Collapse.php
@@ -21,8 +21,6 @@
 final class Collapse extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @psalm-suppress ImpureFunctionCall - using Filter and Flatten as an internal tools, not returned.
      *
      * @return Closure(iterable<TKey, (T|iterable<TKey, T>)>): Generator<TKey, T>
diff --git a/src/Operation/Column.php b/src/Operation/Column.php
index e4a386464..a0d50611a 100644
--- a/src/Operation/Column.php
+++ b/src/Operation/Column.php
@@ -21,8 +21,6 @@
 final class Column extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(mixed): Closure(iterable<TKey, T>): Generator<int, mixed>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Combinate.php b/src/Operation/Combinate.php
index 8a73e5f82..035789f83 100644
--- a/src/Operation/Combinate.php
+++ b/src/Operation/Combinate.php
@@ -23,9 +23,6 @@
  */
 final class Combinate extends AbstractOperation
 {
-    /**
-     * @pure
-     */
     public function __invoke(): Closure
     {
         return static function (?int $length = null): Closure {
diff --git a/src/Operation/Combine.php b/src/Operation/Combine.php
index b2bc04fad..d214552d7 100644
--- a/src/Operation/Combine.php
+++ b/src/Operation/Combine.php
@@ -25,8 +25,6 @@
 final class Combine extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @template U
      *
      * @return Closure(U...): Closure(iterable<TKey, T>): Generator<null|U, null|T>
diff --git a/src/Operation/Compact.php b/src/Operation/Compact.php
index e8c918551..b590a8c92 100644
--- a/src/Operation/Compact.php
+++ b/src/Operation/Compact.php
@@ -25,8 +25,6 @@
 final class Compact extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(T...): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Contains.php b/src/Operation/Contains.php
index 66107c01f..c095dbb5c 100644
--- a/src/Operation/Contains.php
+++ b/src/Operation/Contains.php
@@ -21,8 +21,6 @@
 final class Contains extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(T ...$values): Closure(iterable<TKey, T>): Generator<TKey, bool>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Current.php b/src/Operation/Current.php
index 4194c9b4f..250ce35c9 100644
--- a/src/Operation/Current.php
+++ b/src/Operation/Current.php
@@ -21,8 +21,6 @@
 final class Current extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @template V
      *
      * @return Closure(TKey): Closure(V): Closure(iterable<TKey, T>): Generator<int, T|V>
diff --git a/src/Operation/Cycle.php b/src/Operation/Cycle.php
index b2be36ca5..e73f6a33b 100644
--- a/src/Operation/Cycle.php
+++ b/src/Operation/Cycle.php
@@ -22,8 +22,6 @@
 final class Cycle extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): iterable<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Diff.php b/src/Operation/Diff.php
index 833a6dff6..6073d590c 100644
--- a/src/Operation/Diff.php
+++ b/src/Operation/Diff.php
@@ -23,8 +23,6 @@
 final class Diff extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(T...): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/DiffKeys.php b/src/Operation/DiffKeys.php
index 8150eb3aa..13e21ad9a 100644
--- a/src/Operation/DiffKeys.php
+++ b/src/Operation/DiffKeys.php
@@ -23,8 +23,6 @@
 final class DiffKeys extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(TKey...): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Distinct.php b/src/Operation/Distinct.php
index 52be54516..43f3a9f85 100644
--- a/src/Operation/Distinct.php
+++ b/src/Operation/Distinct.php
@@ -23,8 +23,6 @@
 final class Distinct extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @template U
      *
      * @return Closure(callable(U): Closure(U): bool): Closure(callable(T, TKey): U): Closure(iterable<TKey, T>): Generator<TKey, T>
diff --git a/src/Operation/Drop.php b/src/Operation/Drop.php
index 3acaaae0f..48c765e5b 100644
--- a/src/Operation/Drop.php
+++ b/src/Operation/Drop.php
@@ -23,12 +23,10 @@
 final class Drop extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(int): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
     {
-        return Limit::of()(-1);
+        return (new Limit())()(-1);
     }
 }
diff --git a/src/Operation/DropWhile.php b/src/Operation/DropWhile.php
index 86c4883df..257077674 100644
--- a/src/Operation/DropWhile.php
+++ b/src/Operation/DropWhile.php
@@ -24,8 +24,6 @@
 final class DropWhile extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(callable(T=, TKey=, iterable<TKey, T>=): bool ...): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Dump.php b/src/Operation/Dump.php
index ecbdc32a3..177da0fda 100644
--- a/src/Operation/Dump.php
+++ b/src/Operation/Dump.php
@@ -24,8 +24,6 @@
 final class Dump extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(string): Closure(int): Closure(?Closure): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Duplicate.php b/src/Operation/Duplicate.php
index 99529d7c0..0348fbac4 100644
--- a/src/Operation/Duplicate.php
+++ b/src/Operation/Duplicate.php
@@ -23,8 +23,6 @@
 final class Duplicate extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @template U
      *
      * @return Closure(callable(U): Closure(U): bool): Closure(callable(T, TKey): U): Closure(iterable<TKey, T>): Generator<TKey, T>
diff --git a/src/Operation/Equals.php b/src/Operation/Equals.php
index 82017087f..77b44071c 100644
--- a/src/Operation/Equals.php
+++ b/src/Operation/Equals.php
@@ -24,8 +24,6 @@
 final class Equals extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Closure(iterable<TKey, T>): Generator<int|TKey, bool>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Every.php b/src/Operation/Every.php
index a565f6461..020388196 100644
--- a/src/Operation/Every.php
+++ b/src/Operation/Every.php
@@ -24,8 +24,6 @@
 final class Every extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(callable(T, TKey, iterable<TKey, T>...): bool): Closure(callable(T, TKey, iterable<TKey, T>...): bool): Closure(iterable<TKey, T>): Generator<TKey, bool>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Explode.php b/src/Operation/Explode.php
index 4231488ef..8dbeb7d7e 100644
--- a/src/Operation/Explode.php
+++ b/src/Operation/Explode.php
@@ -22,8 +22,6 @@
 final class Explode extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(T...): Closure(iterable<TKey, T>): Generator<int, list<T>>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Falsy.php b/src/Operation/Falsy.php
index d7e5317f8..f0c95608b 100644
--- a/src/Operation/Falsy.php
+++ b/src/Operation/Falsy.php
@@ -21,8 +21,6 @@
 final class Falsy extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<int, bool>
      */
     public function __invoke(): Closure
@@ -35,15 +33,15 @@ public function __invoke(): Closure
             static fn (bool $value): bool => $value;
 
         /** @var Closure(iterable<TKey, T>): Generator<int, bool> $pipe */
-        $pipe = Pipe::of()(
-            Map::of()(
+        $pipe = (new Pipe())()(
+            (new Map())()(
                 /**
                  * @param T $value
                  */
                 static fn ($value): bool => (bool) $value
             ),
-            MatchOne::of()($matchWhenNot)($matcher),
-            Map::of()(
+            (new MatchOne())()($matchWhenNot)($matcher),
+            (new Map())()(
                 /**
                  * @param bool $value
                  */
diff --git a/src/Operation/Filter.php b/src/Operation/Filter.php
index ba2c95489..0747b9ed7 100644
--- a/src/Operation/Filter.php
+++ b/src/Operation/Filter.php
@@ -24,8 +24,6 @@
 final class Filter extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(callable(T=, TKey=, iterable<TKey, T>=): bool ...): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Find.php b/src/Operation/Find.php
index 02d5592b2..0822087bd 100644
--- a/src/Operation/Find.php
+++ b/src/Operation/Find.php
@@ -23,8 +23,6 @@
 final class Find extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @template V
      *
      * @return Closure(V): Closure(callable(T=, TKey=, iterable<TKey, T>=): bool ...): Closure(iterable<TKey, T>): Generator<TKey, T|V>
diff --git a/src/Operation/First.php b/src/Operation/First.php
index 593da9456..d6d90c81f 100644
--- a/src/Operation/First.php
+++ b/src/Operation/First.php
@@ -21,14 +21,12 @@
 final class First extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
     {
         /** @var Closure(iterable<TKey, T>): Generator<TKey, T> $head */
-        $head = Head::of();
+        $head = (new Head())();
 
         // Point free style.
         return $head;
diff --git a/src/Operation/FlatMap.php b/src/Operation/FlatMap.php
index 3a977122a..a5e49f3d5 100644
--- a/src/Operation/FlatMap.php
+++ b/src/Operation/FlatMap.php
@@ -23,8 +23,6 @@
 final class FlatMap extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @template IKey
      * @template IValue
      *
diff --git a/src/Operation/Flatten.php b/src/Operation/Flatten.php
index 56859f35d..ede0100fb 100644
--- a/src/Operation/Flatten.php
+++ b/src/Operation/Flatten.php
@@ -21,8 +21,6 @@
 final class Flatten extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(int): Closure(iterable<TKey, T>): Generator<mixed, mixed>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Flip.php b/src/Operation/Flip.php
index 9d115b50c..90535aa92 100644
--- a/src/Operation/Flip.php
+++ b/src/Operation/Flip.php
@@ -21,8 +21,6 @@
 final class Flip extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<T, TKey>
      */
     public function __invoke(): Closure
@@ -46,7 +44,7 @@ public function __invoke(): Closure
             static fn ($value, $key) => $key;
 
         /** @var Closure(iterable<TKey, T>): Generator<T, TKey> $associate */
-        $associate = Associate::of()($callbackForKeys)($callbackForValues);
+        $associate = (new Associate())()($callbackForKeys)($callbackForValues);
 
         // Point free style.
         return $associate;
diff --git a/src/Operation/FoldLeft.php b/src/Operation/FoldLeft.php
index 4a75e26bc..9c8073659 100644
--- a/src/Operation/FoldLeft.php
+++ b/src/Operation/FoldLeft.php
@@ -23,8 +23,6 @@
 final class FoldLeft extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(callable((T|null), T, TKey, iterable<TKey, T>):(T|null)): Closure(T): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/FoldLeft1.php b/src/Operation/FoldLeft1.php
index b66b616fd..ac6c95e32 100644
--- a/src/Operation/FoldLeft1.php
+++ b/src/Operation/FoldLeft1.php
@@ -23,8 +23,6 @@
 final class FoldLeft1 extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(callable((T|null), T, TKey, iterable<TKey, T>):(T|null)): Closure(iterable<TKey, T>): Generator<int|TKey, null|T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/FoldRight.php b/src/Operation/FoldRight.php
index 48eed1f2b..a96bbdc64 100644
--- a/src/Operation/FoldRight.php
+++ b/src/Operation/FoldRight.php
@@ -23,8 +23,6 @@
 final class FoldRight extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(callable((T|null), T, TKey, iterable<TKey, T>):(T|null)): Closure(T): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/FoldRight1.php b/src/Operation/FoldRight1.php
index 5baef5ac7..8f1a1f0d7 100644
--- a/src/Operation/FoldRight1.php
+++ b/src/Operation/FoldRight1.php
@@ -23,8 +23,6 @@
 final class FoldRight1 extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(callable((T|null), T, TKey, iterable<TKey, T>): (T|null)):Closure (iterable<TKey, T>): Generator<int|TKey, T|null>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Forget.php b/src/Operation/Forget.php
index d71dec49a..0c7cf1dfe 100644
--- a/src/Operation/Forget.php
+++ b/src/Operation/Forget.php
@@ -23,8 +23,6 @@
 final class Forget extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(TKey...): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Frequency.php b/src/Operation/Frequency.php
index 0334544a8..765999959 100644
--- a/src/Operation/Frequency.php
+++ b/src/Operation/Frequency.php
@@ -21,8 +21,6 @@
 final class Frequency extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<int, T>
      */
     public function __invoke(): Closure
@@ -56,10 +54,10 @@ static function (array $storage, $value): array {
             };
 
         /** @var Closure(iterable<TKey, T>): Generator<int, T> $pipe */
-        $pipe = Pipe::of()(
-            Reduce::of()($reduceCallback)([]),
-            Flatten::of()(1),
-            Unpack::of()
+        $pipe = (new Pipe())()(
+            (new Reduce())()($reduceCallback)([]),
+            (new Flatten())()(1),
+            (new Unpack())()
         );
 
         // Point free style.
diff --git a/src/Operation/Get.php b/src/Operation/Get.php
index c0e4154c6..171f3a241 100644
--- a/src/Operation/Get.php
+++ b/src/Operation/Get.php
@@ -21,8 +21,6 @@
 final class Get extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @template V
      *
      * @return Closure(TKey): Closure(V): Closure(iterable<TKey, T>): Generator<TKey, T|V>
diff --git a/src/Operation/Group.php b/src/Operation/Group.php
index d94fc4367..4db99669b 100644
--- a/src/Operation/Group.php
+++ b/src/Operation/Group.php
@@ -21,8 +21,6 @@
 final class Group extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<int, list<T>>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/GroupBy.php b/src/Operation/GroupBy.php
index 61aa1fd7b..cc2c401b2 100644
--- a/src/Operation/GroupBy.php
+++ b/src/Operation/GroupBy.php
@@ -23,8 +23,6 @@
 final class GroupBy extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @template NewTKey of array-key
      *
      * @return Closure(callable(T=, TKey=): NewTKey): Closure(iterable<TKey, T>): Generator<NewTKey, non-empty-list<T>>
diff --git a/src/Operation/Has.php b/src/Operation/Has.php
index a8e90190f..63290b751 100644
--- a/src/Operation/Has.php
+++ b/src/Operation/Has.php
@@ -23,8 +23,6 @@
 final class Has extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(callable(T=, TKey=, iterable<TKey, T>=): T ...): Closure(iterable<TKey, T>): Generator<TKey, bool>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Head.php b/src/Operation/Head.php
index 5017641b2..7a0ca57dc 100644
--- a/src/Operation/Head.php
+++ b/src/Operation/Head.php
@@ -21,8 +21,6 @@
 final class Head extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<TKey, T, mixed, void>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/IfThenElse.php b/src/Operation/IfThenElse.php
index c4eeef0fa..c43ef89fa 100644
--- a/src/Operation/IfThenElse.php
+++ b/src/Operation/IfThenElse.php
@@ -23,8 +23,6 @@
 final class IfThenElse extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(callable(T=, TKey=, iterable<TKey, T>=): bool): Closure(callable(T=, TKey=, iterable<TKey, T>=): T): Closure(callable(T=, TKey=, iterable<TKey, T>=): T): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Implode.php b/src/Operation/Implode.php
index fe7a7c032..a3676a5e7 100644
--- a/src/Operation/Implode.php
+++ b/src/Operation/Implode.php
@@ -23,8 +23,6 @@
 final class Implode extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(string): Closure(iterable<TKey, T>): Generator<TKey, string>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Init.php b/src/Operation/Init.php
index 8edc2526f..246a03a79 100644
--- a/src/Operation/Init.php
+++ b/src/Operation/Init.php
@@ -25,9 +25,8 @@
 final class Init extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<TKey, T>
+     * @psalm-suppress InvalidArgument
      */
     public function __invoke(): Closure
     {
@@ -48,9 +47,9 @@ public function __invoke(): Closure
             static fn (iterable $iterator): CachingIterator => new CachingIterator((new IterableIteratorAggregate($iterator))->getIterator(), CachingIterator::FULL_CACHE);
 
         /** @var Closure(iterable<TKey, T>): Generator<TKey, T> $takeWhile */
-        $takeWhile = Pipe::of()(
+        $takeWhile = (new Pipe())()(
             $buildCachingIterator,
-            TakeWhile::of()($callback)
+            (new TakeWhile())()($callback)
         );
 
         // Point free style.
diff --git a/src/Operation/Inits.php b/src/Operation/Inits.php
index 67cbfecdd..1e919a921 100644
--- a/src/Operation/Inits.php
+++ b/src/Operation/Inits.php
@@ -21,8 +21,6 @@
 final class Inits extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<int, list<array{0: TKey, 1: T}>>
      */
     public function __invoke(): Closure
@@ -41,9 +39,9 @@ static function (array $carry, array $value): array {
             };
 
         /** @var Closure(iterable<TKey, T>): Generator<int, list<array{0: TKey, 1: T}>> $inits */
-        $inits = Pipe::of()(
-            Pack::of(),
-            ScanLeft::of()($scanLeftCallback)([]),
+        $inits = (new Pipe())()(
+            (new Pack())(),
+            (new ScanLeft())()($scanLeftCallback)([]),
             (new Normalize())()
         );
 
diff --git a/src/Operation/Intersect.php b/src/Operation/Intersect.php
index a93800091..b4bb946c7 100644
--- a/src/Operation/Intersect.php
+++ b/src/Operation/Intersect.php
@@ -23,8 +23,6 @@
 final class Intersect extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(T...): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/IntersectKeys.php b/src/Operation/IntersectKeys.php
index 7b573df85..83b1fbe41 100644
--- a/src/Operation/IntersectKeys.php
+++ b/src/Operation/IntersectKeys.php
@@ -23,8 +23,6 @@
 final class IntersectKeys extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(TKey...): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Intersperse.php b/src/Operation/Intersperse.php
index 50f2c4543..e7dcd0249 100644
--- a/src/Operation/Intersperse.php
+++ b/src/Operation/Intersperse.php
@@ -24,8 +24,6 @@
 final class Intersperse extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(T): Closure(int): Closure(int): Closure(iterable<TKey, T>): Generator<int|TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/IsEmpty.php b/src/Operation/IsEmpty.php
index cce075e03..e50c8699e 100644
--- a/src/Operation/IsEmpty.php
+++ b/src/Operation/IsEmpty.php
@@ -24,8 +24,6 @@
 final class IsEmpty extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<int, bool>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Key.php b/src/Operation/Key.php
index 56cc0dbf0..9358ce606 100644
--- a/src/Operation/Key.php
+++ b/src/Operation/Key.php
@@ -21,8 +21,6 @@
 final class Key extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(int): Closure(iterable<TKey, T>): Generator<int, TKey>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Keys.php b/src/Operation/Keys.php
index dcd60bfcc..11614d74e 100644
--- a/src/Operation/Keys.php
+++ b/src/Operation/Keys.php
@@ -21,15 +21,13 @@
 final class Keys extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<int, TKey>
      */
     public function __invoke(): Closure
     {
         /** @var Closure(iterable<TKey, T>): Generator<int, TKey> $pipe */
-        $pipe = Pipe::of()(
-            Flip::of(),
+        $pipe = (new Pipe())()(
+            (new Flip())(),
             (new Normalize())()
         );
 
diff --git a/src/Operation/Last.php b/src/Operation/Last.php
index 8a65a7838..966b46910 100644
--- a/src/Operation/Last.php
+++ b/src/Operation/Last.php
@@ -21,8 +21,6 @@
 final class Last extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Limit.php b/src/Operation/Limit.php
index be14fcde5..9348fe7f5 100644
--- a/src/Operation/Limit.php
+++ b/src/Operation/Limit.php
@@ -24,8 +24,6 @@
 final class Limit extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(int): Closure(int): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Lines.php b/src/Operation/Lines.php
index 4acb112af..72a19da45 100644
--- a/src/Operation/Lines.php
+++ b/src/Operation/Lines.php
@@ -23,8 +23,6 @@
 final class Lines extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<int, string>
      */
     public function __invoke(): Closure
@@ -36,9 +34,9 @@ public function __invoke(): Closure
             static fn (array $value): string => implode('', $value);
 
         /** @var Closure(iterable<TKey, T>): Generator<int, string> $pipe */
-        $pipe = Pipe::of()(
-            Explode::of()(PHP_EOL, "\n", "\r\n"),
-            Map::of()($mapCallback)
+        $pipe = (new Pipe())()(
+            (new Explode())()(PHP_EOL, "\n", "\r\n"),
+            (new Map())()($mapCallback)
         );
 
         // Point free style.
diff --git a/src/Operation/Map.php b/src/Operation/Map.php
index dbc01ae65..b544981c4 100644
--- a/src/Operation/Map.php
+++ b/src/Operation/Map.php
@@ -23,8 +23,6 @@
 final class Map extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @template V
      *
      * @return Closure(callable(T=, TKey=, iterable<TKey, T>=): mixed): Closure(iterable<TKey, T>): Generator<TKey, mixed>
diff --git a/src/Operation/MapN.php b/src/Operation/MapN.php
index 3e6d0f09e..04c3de4cf 100644
--- a/src/Operation/MapN.php
+++ b/src/Operation/MapN.php
@@ -23,8 +23,6 @@
 final class MapN extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(callable(mixed, mixed, iterable<TKey, T>): mixed ...): Closure(iterable<TKey, T>): Generator<mixed, mixed>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/MatchOne.php b/src/Operation/MatchOne.php
index 2e2162838..7dcc82ab9 100644
--- a/src/Operation/MatchOne.php
+++ b/src/Operation/MatchOne.php
@@ -24,8 +24,6 @@
 final class MatchOne extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(callable(T=, TKey=, iterable<TKey, T>=): bool ...): Closure(callable(T=, TKey=, iterable<TKey, T>=): bool ...): Closure(iterable<TKey, T>): Generator<TKey, bool>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Matching.php b/src/Operation/Matching.php
index 4d03db518..aa3412baa 100644
--- a/src/Operation/Matching.php
+++ b/src/Operation/Matching.php
@@ -26,8 +26,6 @@
 final class Matching extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(Criteria): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
@@ -53,18 +51,16 @@ static function (Criteria $criteria): Closure {
                         $next = ClosureExpressionVisitor::sortByField($field, Criteria::DESC === $ordering ? -1 : 1, $next);
                     }
 
-                    $pipes[] = Sort::of()(Sortable::BY_VALUES)($next);
+                    $pipes[] = (new Sort())()(Sortable::BY_VALUES)($next);
                 }
 
                 $offset = $criteria->getFirstResult();
                 $length = $criteria->getMaxResults();
 
-                if (null !== $offset || null !== $length) {
-                    $pipes[] = Limit::of()($length)((int) $offset);
-                }
+                $pipes[] = (new Limit())()(null !== $length ? $length : -1)(null !== $offset ? $offset : 0);
 
                 /** @var Closure(iterable<TKey, T>): Generator<TKey, T> $pipe */
-                $pipe = Pipe::of()(...$pipes);
+                $pipe = (new Pipe())()(...$pipes);
 
                 // Point free style.
                 return $pipe;
diff --git a/src/Operation/Merge.php b/src/Operation/Merge.php
index 619f98909..1b96dd103 100644
--- a/src/Operation/Merge.php
+++ b/src/Operation/Merge.php
@@ -24,8 +24,6 @@
 final class Merge extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T> ...$sources): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Normalize.php b/src/Operation/Normalize.php
index df4fcf6a5..260122e31 100644
--- a/src/Operation/Normalize.php
+++ b/src/Operation/Normalize.php
@@ -22,8 +22,6 @@
 final class Normalize extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<int, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Nth.php b/src/Operation/Nth.php
index c77ffa760..4f7aa9a47 100644
--- a/src/Operation/Nth.php
+++ b/src/Operation/Nth.php
@@ -21,8 +21,6 @@
 final class Nth extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(int): Closure(int): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Nullsy.php b/src/Operation/Nullsy.php
index aa42ff72a..83c33838f 100644
--- a/src/Operation/Nullsy.php
+++ b/src/Operation/Nullsy.php
@@ -30,8 +30,6 @@ final class Nullsy extends AbstractOperation
     public const VALUES = [null, [], 0, false, ''];
 
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<int, bool>
      */
     public function __invoke(): Closure
@@ -44,15 +42,15 @@ public function __invoke(): Closure
             static fn (bool $value): bool => in_array($value, self::VALUES, true);
 
         /** @var Closure(iterable<TKey, T>): Generator<int, bool> $pipe */
-        $pipe = Pipe::of()(
-            Map::of()(
+        $pipe = (new Pipe())()(
+            (new Map())()(
                 /**
                  * @param T $value
                  */
                 static fn ($value): bool => (bool) $value
             ),
-            MatchOne::of()($matchWhenNot)($matcher),
-            Map::of()(
+            (new MatchOne())()($matchWhenNot)($matcher),
+            (new Map())()(
                 /**
                  * @param bool $value
                  */
diff --git a/src/Operation/Pack.php b/src/Operation/Pack.php
index d1dbb4916..3a504249e 100644
--- a/src/Operation/Pack.php
+++ b/src/Operation/Pack.php
@@ -22,8 +22,6 @@
 final class Pack extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<int, array{0: TKey, 1: T}>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Pad.php b/src/Operation/Pad.php
index 9e36abc8e..32988276d 100644
--- a/src/Operation/Pad.php
+++ b/src/Operation/Pad.php
@@ -21,8 +21,6 @@
 final class Pad extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(int): Closure(T): Closure(iterable<TKey, T>): Generator<int|TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Pair.php b/src/Operation/Pair.php
index 345e088d6..ce06e8f41 100644
--- a/src/Operation/Pair.php
+++ b/src/Operation/Pair.php
@@ -21,8 +21,6 @@
 final class Pair extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<T, T|null>
      */
     public function __invoke(): Closure
@@ -45,10 +43,10 @@ public function __invoke(): Closure
             static fn (array $value) => $value[1] ?? null;
 
         /** @var Closure(iterable<TKey, T>): Generator<T, T|null> $pipe */
-        $pipe = Pipe::of()(
-            Chunk::of()(2),
-            Map::of()(static fn (array $value): array => array_values($value)),
-            Associate::of()($callbackForKeys)($callbackForValues)
+        $pipe = (new Pipe())()(
+            (new Chunk())()(2),
+            (new Map())()(static fn (array $value): array => array_values($value)),
+            (new Associate())()($callbackForKeys)($callbackForValues)
         );
 
         // Point free style.
diff --git a/src/Operation/Partition.php b/src/Operation/Partition.php
index 1c8cdc4f9..ca95c4ac3 100644
--- a/src/Operation/Partition.php
+++ b/src/Operation/Partition.php
@@ -26,8 +26,6 @@
 final class Partition extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(callable(T=, TKey=, iterable<TKey, T>=): bool ...): Closure(iterable<TKey, T>): Generator<int, iterable<TKey, T>>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Permutate.php b/src/Operation/Permutate.php
index 4d2e4ee48..1e5f77ddb 100644
--- a/src/Operation/Permutate.php
+++ b/src/Operation/Permutate.php
@@ -23,9 +23,6 @@
  */
 final class Permutate extends AbstractOperation
 {
-    /**
-     * @pure
-     */
     public function __invoke(): Closure
     {
         $getPermutations =
diff --git a/src/Operation/Pipe.php b/src/Operation/Pipe.php
index 9d96f3089..cdeb4e8c0 100644
--- a/src/Operation/Pipe.php
+++ b/src/Operation/Pipe.php
@@ -22,8 +22,6 @@
 final class Pipe extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(callable(iterable<TKey, T>): iterable<TKey, T> ...): Closure(iterable<TKey, T>): iterable<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Pluck.php b/src/Operation/Pluck.php
index 62c604257..30db4ddb2 100644
--- a/src/Operation/Pluck.php
+++ b/src/Operation/Pluck.php
@@ -31,8 +31,6 @@
 final class Pluck extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(T):Closure(T):Closure(iterable<TKey, T>):Generator<int, T|iterable<int, T>, mixed, void>
      */
     public function __invoke(): Closure
@@ -80,7 +78,7 @@ static function (iterable $iterable, $target, array $key, $default = null) use (
                                         }
 
                                         /** @var Generator<TKey, T> $collapse */
-                                        $collapse = Collapse::of()($result);
+                                        $collapse = (new Collapse())()($result);
 
                                         return in_array('*', $key, true) ? $collapse : $result;
                                     }
@@ -93,7 +91,7 @@ static function (iterable $iterable, $target, array $key, $default = null) use (
                                         $target = $target[$segment];
                                     } elseif ($target instanceof Collection) {
                                         /** @var T $target */
-                                        $target = (Get::of()($segment)($default)($target))->current();
+                                        $target = ((new Get())()($segment)($default)($target))->current();
                                     } elseif (is_object($target) && property_exists($target, $segment)) {
                                         /** @var T $target */
                                         $target = (new ReflectionClass($target))->getProperty($segment)->getValue($target);
diff --git a/src/Operation/Prepend.php b/src/Operation/Prepend.php
index 03fd62f6d..6cb9ca6a7 100644
--- a/src/Operation/Prepend.php
+++ b/src/Operation/Prepend.php
@@ -24,8 +24,6 @@
 final class Prepend extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(T...): Closure(iterable<TKey, T>): iterable<int|TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Product.php b/src/Operation/Product.php
index c6e995e5f..a17e67856 100644
--- a/src/Operation/Product.php
+++ b/src/Operation/Product.php
@@ -25,8 +25,6 @@
 final class Product extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @template UKey
      * @template U
      */
diff --git a/src/Operation/RSample.php b/src/Operation/RSample.php
index 383a9b7ea..c27f8de2e 100644
--- a/src/Operation/RSample.php
+++ b/src/Operation/RSample.php
@@ -23,8 +23,6 @@
 final class RSample extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(float): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Random.php b/src/Operation/Random.php
index 91670f5e0..d97155a28 100644
--- a/src/Operation/Random.php
+++ b/src/Operation/Random.php
@@ -21,8 +21,6 @@
 final class Random extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(int): Closure(int): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Range.php b/src/Operation/Range.php
index 9830ccf5b..265f801d8 100644
--- a/src/Operation/Range.php
+++ b/src/Operation/Range.php
@@ -25,8 +25,6 @@
 final class Range extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(float=): Closure(float=): Closure(float=): Closure(): Generator<int, float>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Reduce.php b/src/Operation/Reduce.php
index d4c59ada9..389a9b9ff 100644
--- a/src/Operation/Reduce.php
+++ b/src/Operation/Reduce.php
@@ -23,8 +23,6 @@
 final class Reduce extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @template V
      * @template W
      *
diff --git a/src/Operation/Reduction.php b/src/Operation/Reduction.php
index 4929cf1ca..5f26d8f30 100644
--- a/src/Operation/Reduction.php
+++ b/src/Operation/Reduction.php
@@ -23,8 +23,6 @@
 final class Reduction extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @template V
      * @template W
      *
diff --git a/src/Operation/Reject.php b/src/Operation/Reject.php
index 6351771b8..72473aa96 100644
--- a/src/Operation/Reject.php
+++ b/src/Operation/Reject.php
@@ -24,8 +24,6 @@
 final class Reject extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(callable(T=, TKey=, iterable<TKey, T>=): bool ...): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Reverse.php b/src/Operation/Reverse.php
index 82b8c46cc..1ba75ba78 100644
--- a/src/Operation/Reverse.php
+++ b/src/Operation/Reverse.php
@@ -21,8 +21,6 @@
 final class Reverse extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
@@ -37,9 +35,9 @@ public function __invoke(): Closure
             static fn (array $carry, array $value): array => [...$value, ...$carry];
 
         /** @var Closure(iterable<TKey, T>): Generator<TKey, T> $pipe */
-        $pipe = Pipe::of()(
+        $pipe = (new Pipe())()(
             (new Pack())(),
-            Reduce::of()($callback)([]),
+            (new Reduce())()($callback)([]),
             (new Unpack())(),
         );
 
diff --git a/src/Operation/Same.php b/src/Operation/Same.php
index 1a9aa1530..0f2126fbf 100644
--- a/src/Operation/Same.php
+++ b/src/Operation/Same.php
@@ -24,8 +24,6 @@
 final class Same extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Closure(callable(T, TKey): Closure(T, TKey): bool): Closure(iterable<TKey, T>): Generator<int, bool>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Scale.php b/src/Operation/Scale.php
index 44b34c32f..b87c5e561 100644
--- a/src/Operation/Scale.php
+++ b/src/Operation/Scale.php
@@ -25,8 +25,6 @@
 final class Scale extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(float): Closure(float): Closure(float): Closure(float): Closure(float): Closure(iterable<TKey, float|int>): Generator<TKey, float|int>
      */
     public function __invoke(): Closure
@@ -54,7 +52,7 @@ public function __invoke(): Closure
                             static function (float $base = 0.0) use ($lowerBound, $upperBound, $wantedLowerBound, $wantedUpperBound): Closure {
                                 $wantedLowerBound = (0.0 === $wantedLowerBound) ? (0.0 === $base ? 0.0 : 1.0) : $wantedLowerBound;
                                 $wantedUpperBound = (1.0 === $wantedUpperBound) ? (0.0 === $base ? 1.0 : $base) : $wantedUpperBound;
-                                /** @var callable(Generator<TKey, (float | int)>):Generator<TKey, float> $mapper */
+
                                 $mapper = (new Map())()(
                                     /**
                                      * @param float|int $v
@@ -82,7 +80,7 @@ static function ($v) use ($lowerBound, $upperBound, $wantedLowerBound, $wantedUp
                                 );
 
                                 /** @var Closure(iterable<TKey, (float|int)>):(Generator<TKey, float|int>) $pipe */
-                                $pipe = Pipe::of()($filter, $mapper);
+                                $pipe = (new Pipe())()($filter, $mapper);
 
                                 // Point free style.
                                 return $pipe;
diff --git a/src/Operation/ScanLeft.php b/src/Operation/ScanLeft.php
index 0e7535d13..fa4a959fd 100644
--- a/src/Operation/ScanLeft.php
+++ b/src/Operation/ScanLeft.php
@@ -23,8 +23,6 @@
 final class ScanLeft extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @template V
      * @template W
      *
diff --git a/src/Operation/ScanLeft1.php b/src/Operation/ScanLeft1.php
index 16f2f3280..8ba33fd86 100644
--- a/src/Operation/ScanLeft1.php
+++ b/src/Operation/ScanLeft1.php
@@ -24,8 +24,6 @@
 final class ScanLeft1 extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @template V
      *
      * @return Closure(callable(mixed, T, TKey, iterable<TKey, T>): mixed): Closure(iterable<TKey, T>): Generator<int|TKey, mixed>
diff --git a/src/Operation/ScanRight.php b/src/Operation/ScanRight.php
index 64c858c66..fc60aec40 100644
--- a/src/Operation/ScanRight.php
+++ b/src/Operation/ScanRight.php
@@ -23,8 +23,6 @@
 final class ScanRight extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @template V
      * @template W
      *
diff --git a/src/Operation/ScanRight1.php b/src/Operation/ScanRight1.php
index e6c14a4cf..24fd4ca83 100644
--- a/src/Operation/ScanRight1.php
+++ b/src/Operation/ScanRight1.php
@@ -23,8 +23,6 @@
 final class ScanRight1 extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @template V
      *
      * @return Closure(callable(mixed, T, TKey, iterable<TKey, T>): mixed): Closure(iterable<TKey, T>): Generator<int|TKey, mixed>
diff --git a/src/Operation/Shuffle.php b/src/Operation/Shuffle.php
index 1560cf507..3aa5f4b25 100644
--- a/src/Operation/Shuffle.php
+++ b/src/Operation/Shuffle.php
@@ -24,8 +24,6 @@
 final class Shuffle extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(int): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Since.php b/src/Operation/Since.php
index f659d9ac5..d892724ef 100644
--- a/src/Operation/Since.php
+++ b/src/Operation/Since.php
@@ -24,8 +24,6 @@
 final class Since extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(callable(T=, TKey=, iterable<TKey, T>=):bool ...): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Slice.php b/src/Operation/Slice.php
index c98325e49..cbfd46024 100644
--- a/src/Operation/Slice.php
+++ b/src/Operation/Slice.php
@@ -21,8 +21,6 @@
 final class Slice extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(int): Closure(int=): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Sort.php b/src/Operation/Sort.php
index 7461e16e3..d72f1d99b 100644
--- a/src/Operation/Sort.php
+++ b/src/Operation/Sort.php
@@ -26,8 +26,6 @@
 final class Sort extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(int): Closure(callable(T|TKey, T|TKey): int): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
@@ -61,12 +59,12 @@ static function (iterable $iterable) use ($type, $callback): Generator {
 
                             $operations = Operation\Sortable::BY_VALUES === $type ?
                                 [
-                                    'before' => [Pack::of()],
-                                    'after' => [Unpack::of()],
+                                    'before' => [(new Pack())()],
+                                    'after' => [(new Unpack())()],
                                 ] :
                                 [
-                                    'before' => [Flip::of(), Pack::of()],
-                                    'after' => [Unpack::of(), Flip::of()],
+                                    'before' => [(new Flip())(), (new Pack())()],
+                                    'after' => [(new Unpack())(), (new Flip())()],
                                 ];
 
                             $sortCallback =
@@ -83,12 +81,12 @@ static function (iterable $iterable) use ($type, $callback): Generator {
                                     static fn (array $left, array $right): int => $callback($left[1], $right[1]);
 
                             /** @var callable(iterable<TKey, T>): Generator<int, array{0:TKey, 1:T}> | callable(iterable<TKey, T>): Generator<int, array{0:T, 1:TKey}> $before */
-                            $before = Pipe::of()(...$operations['before']);
+                            $before = (new Pipe())()(...$operations['before']);
 
                             $arrayIterator = new ArrayIterator([...$before($iterable)]);
                             $arrayIterator->uasort($sortCallback($callback));
 
-                            yield from Pipe::of()(...$operations['after'])($arrayIterator);
+                            yield from (new Pipe())()(...$operations['after'])($arrayIterator);
                         };
                 };
     }
diff --git a/src/Operation/Span.php b/src/Operation/Span.php
index 99d8d1766..ea69e7c08 100644
--- a/src/Operation/Span.php
+++ b/src/Operation/Span.php
@@ -26,8 +26,6 @@
 final class Span extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(callable(T=, TKey=, iterable<TKey, T>=): bool ...): Closure(iterable<TKey, T>): Generator<int, iterable<TKey, T>>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Split.php b/src/Operation/Split.php
index 5f3d51438..7afceb7e9 100644
--- a/src/Operation/Split.php
+++ b/src/Operation/Split.php
@@ -25,8 +25,6 @@
 final class Split extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(int): Closure((callable(T, TKey): bool)...): Closure(iterable<TKey, T>): Generator<int, list<T>>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Strict.php b/src/Operation/Strict.php
index 42d12cdcb..cf3cc47a1 100644
--- a/src/Operation/Strict.php
+++ b/src/Operation/Strict.php
@@ -25,8 +25,6 @@
 final class Strict extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(null|callable(mixed): string): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Tail.php b/src/Operation/Tail.php
index bb3ef8c95..d8c94f177 100644
--- a/src/Operation/Tail.php
+++ b/src/Operation/Tail.php
@@ -21,14 +21,12 @@
 final class Tail extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
     {
         /** @var Closure(iterable<TKey, T>): Generator<TKey, T> $drop */
-        $drop = Drop::of()(1);
+        $drop = (new Drop())()(1);
 
         // Point free style.
         return $drop;
diff --git a/src/Operation/Tails.php b/src/Operation/Tails.php
index fab14190b..be6377b7e 100644
--- a/src/Operation/Tails.php
+++ b/src/Operation/Tails.php
@@ -21,8 +21,6 @@
 final class Tails extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<int, list<T>, mixed, void>
      */
     public function __invoke(): Closure
@@ -35,11 +33,11 @@ public function __invoke(): Closure
              */
             static function (iterable $iterable): Generator {
                 /** @var Generator<int, array{0: TKey, 1: T}> $generator */
-                $generator = Pack::of()($iterable);
+                $generator = (new Pack())()($iterable);
                 $data = [...$generator];
 
                 while ([] !== $data) {
-                    yield [...Unpack::of()($data)];
+                    yield [...(new Unpack())()($data)];
 
                     array_shift($data);
                 }
diff --git a/src/Operation/TakeWhile.php b/src/Operation/TakeWhile.php
index 309b6aef6..6bb4c386c 100644
--- a/src/Operation/TakeWhile.php
+++ b/src/Operation/TakeWhile.php
@@ -24,8 +24,6 @@
 final class TakeWhile extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(callable(T=, TKey=, iterable<TKey, T>=): bool ...): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Times.php b/src/Operation/Times.php
index e500f6018..28a6d8439 100644
--- a/src/Operation/Times.php
+++ b/src/Operation/Times.php
@@ -24,8 +24,6 @@
 final class Times extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(int): Closure(null|callable(int): (int|T)): Closure(null|Iterator<TKey, T>): Generator<int, int|T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Transpose.php b/src/Operation/Transpose.php
index 6505e449e..90423d756 100644
--- a/src/Operation/Transpose.php
+++ b/src/Operation/Transpose.php
@@ -23,8 +23,6 @@
 final class Transpose extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @psalm-suppress ImpureMethodCall - using MultipleIterator as an internal tool which is not returned
      *
      * @return Closure(iterable<TKey, T>): Generator<TKey, list<T>>
@@ -48,16 +46,16 @@ public function __invoke(): Closure
             static fn (array $value): array => $value;
 
         /** @var Closure(iterable<TKey, T>): Generator<TKey, list<T>> $pipe */
-        $pipe = Pipe::of()(
-            Reduce::of()(
+        $pipe = (new Pipe())()(
+            (new Reduce())()(
                 static function (MultipleIterator $acc, iterable $iterable): MultipleIterator {
                     $acc->attachIterator((new IterableIteratorAggregate($iterable))->getIterator());
 
                     return $acc;
                 }
             )(new MultipleIterator(MultipleIterator::MIT_NEED_ANY)),
-            Flatten::of()(1),
-            Associate::of()($callbackForKeys)($callbackForValues)
+            (new Flatten())()(1),
+            (new Associate())()($callbackForKeys)($callbackForValues)
         );
 
         // Point free style.
diff --git a/src/Operation/Truthy.php b/src/Operation/Truthy.php
index 2073924d8..bf2985492 100644
--- a/src/Operation/Truthy.php
+++ b/src/Operation/Truthy.php
@@ -21,8 +21,6 @@
 final class Truthy extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<int, bool>
      */
     public function __invoke(): Closure
@@ -35,15 +33,15 @@ public function __invoke(): Closure
             static fn (bool $value): bool => !$value;
 
         /** @var Closure(iterable<TKey, T>): Generator<int, bool> $pipe */
-        $pipe = Pipe::of()(
-            Map::of()(
+        $pipe = (new Pipe())()(
+            (new Map())()(
                 /**
                  * @param T $value
                  */
                 static fn ($value): bool => (bool) $value
             ),
-            MatchOne::of()($matchWhenNot)($matcher),
-            Map::of()($matcher),
+            (new MatchOne())()($matchWhenNot)($matcher),
+            (new Map())()($matcher),
         );
 
         // Point free style.
diff --git a/src/Operation/Unfold.php b/src/Operation/Unfold.php
index 62e49a1ff..fcd4c1ac5 100644
--- a/src/Operation/Unfold.php
+++ b/src/Operation/Unfold.php
@@ -23,8 +23,6 @@
 final class Unfold extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(T...): Closure(callable(T...): list<T>): Closure(): Generator<int, list<T>>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Unlines.php b/src/Operation/Unlines.php
index 9239ca11b..649219eac 100644
--- a/src/Operation/Unlines.php
+++ b/src/Operation/Unlines.php
@@ -23,14 +23,12 @@
 final class Unlines extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, (T|string)>): Generator<TKey, string>
      */
     public function __invoke(): Closure
     {
         /** @var Closure(iterable<TKey, (T|string)>):Generator<TKey, string> $implode */
-        $implode = Implode::of()(PHP_EOL);
+        $implode = (new Implode())()(PHP_EOL);
 
         // Point free style.
         return $implode;
diff --git a/src/Operation/Unpack.php b/src/Operation/Unpack.php
index 880c173e4..7b640bab6 100644
--- a/src/Operation/Unpack.php
+++ b/src/Operation/Unpack.php
@@ -26,17 +26,15 @@
 final class Unpack extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<mixed, mixed>): Generator<TKey, T>
      */
     public function __invoke(): Closure
     {
         /** @var Closure(iterable<array-key, array{0: TKey, 1: T}>): Generator<TKey, T> $pipe */
-        $pipe = Pipe::of()(
-            Map::of()(static fn (iterable $iterable): iterable => new IterableIteratorAggregate($iterable)),
-            Map::of()(Chunk::of()(2)),
-            Flatten::of()(1),
+        $pipe = (new Pipe())()(
+            (new Map())()(static fn (iterable $iterable): iterable => new IterableIteratorAggregate($iterable)),
+            (new Map())()((new Chunk())()(2)),
+            (new Flatten())()(1),
             static fn (iterable $iterable): IteratorAggregate => new UnpackIterableAggregate($iterable)
         );
 
diff --git a/src/Operation/Unpair.php b/src/Operation/Unpair.php
index 924e4fc6b..859b9f79f 100644
--- a/src/Operation/Unpair.php
+++ b/src/Operation/Unpair.php
@@ -21,8 +21,6 @@
 final class Unpair extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<int, (TKey|T), mixed, void>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Until.php b/src/Operation/Until.php
index e6dc6f1f6..43871cae6 100644
--- a/src/Operation/Until.php
+++ b/src/Operation/Until.php
@@ -24,8 +24,6 @@
 final class Until extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(callable(T=, TKey=, iterable<TKey, T>=): bool ...): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Unwindow.php b/src/Operation/Unwindow.php
index ef3726158..d4d82103a 100644
--- a/src/Operation/Unwindow.php
+++ b/src/Operation/Unwindow.php
@@ -21,14 +21,12 @@
 final class Unwindow extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, list<T>>): Generator<TKey, T|null>
      */
     public function __invoke(): Closure
     {
         /** @var Closure(iterable<TKey, list<T>>): Generator<TKey, T|null> $unwindow */
-        $unwindow = Map::of()(
+        $unwindow = (new Map())()(
             /**
              * @param iterable<TKey, list<T>> $iterable
              *
diff --git a/src/Operation/Unwords.php b/src/Operation/Unwords.php
index de613f312..1a74498c2 100644
--- a/src/Operation/Unwords.php
+++ b/src/Operation/Unwords.php
@@ -21,14 +21,12 @@
 final class Unwords extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, (T|string)>): Generator<TKey, string>
      */
     public function __invoke(): Closure
     {
         /** @var Closure(iterable<TKey, (T|string)>): Generator<TKey, string> $implode */
-        $implode = Implode::of()(' ');
+        $implode = (new Implode())()(' ');
 
         // Point free style.
         return $implode;
diff --git a/src/Operation/Unwrap.php b/src/Operation/Unwrap.php
index 19b772434..36d7e5f13 100644
--- a/src/Operation/Unwrap.php
+++ b/src/Operation/Unwrap.php
@@ -21,14 +21,12 @@
 final class Unwrap extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<mixed, mixed>
      */
     public function __invoke(): Closure
     {
         /** @var Closure(iterable<TKey, T>): Generator<mixed, mixed> $flatten */
-        $flatten = Flatten::of()(1);
+        $flatten = (new Flatten())()(1);
 
         // Point free style.
         return $flatten;
diff --git a/src/Operation/Unzip.php b/src/Operation/Unzip.php
index 43f448131..77dddbc0a 100644
--- a/src/Operation/Unzip.php
+++ b/src/Operation/Unzip.php
@@ -21,8 +21,6 @@
 final class Unzip extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, list<T>>): Generator<int, list<T>>
      */
     public function __invoke(): Closure
@@ -45,9 +43,9 @@ static function (array $carry, iterable $value): array {
             };
 
         /** @var Closure(iterable<TKey, list<T>>): Generator<int, list<T>> $pipe */
-        $pipe = Pipe::of()(
-            Reduce::of()($reduceCallback)([]),
-            Flatten::of()(1)
+        $pipe = (new Pipe())()(
+            (new Reduce())()($reduceCallback)([]),
+            (new Flatten())()(1)
         );
 
         // Point free style.
diff --git a/src/Operation/When.php b/src/Operation/When.php
index 67524eda6..b5654043b 100644
--- a/src/Operation/When.php
+++ b/src/Operation/When.php
@@ -23,8 +23,6 @@
 final class When extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(callable(iterable<TKey, T>): bool): Closure(callable(iterable<TKey, T>): iterable<TKey, T>): Closure(callable(iterable<TKey, T>): iterable<TKey, T>): Closure(iterable<TKey, T>): Generator<TKey, T>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Window.php b/src/Operation/Window.php
index 72c13712a..27cf60764 100644
--- a/src/Operation/Window.php
+++ b/src/Operation/Window.php
@@ -23,8 +23,6 @@
 final class Window extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(int): Closure(iterable<TKey, T>): Generator<TKey, list<T>>
      */
     public function __invoke(): Closure
diff --git a/src/Operation/Words.php b/src/Operation/Words.php
index c13fd016a..b3fcf5c37 100644
--- a/src/Operation/Words.php
+++ b/src/Operation/Words.php
@@ -21,8 +21,6 @@
 final class Words extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<TKey, string>
      */
     public function __invoke(): Closure
@@ -34,10 +32,10 @@ public function __invoke(): Closure
             static fn (array $value): string => implode('', $value);
 
         /** @var Closure(iterable<TKey, T>): Generator<TKey, string> $pipe */
-        $pipe = Pipe::of()(
-            Explode::of()("\t", "\n", ' '),
-            Map::of()($mapCallback),
-            Compact::of()()
+        $pipe = (new Pipe())()(
+            (new Explode())()("\t", "\n", ' '),
+            (new Map())()($mapCallback),
+            (new Compact())()()
         );
 
         // Point free style.
diff --git a/src/Operation/Wrap.php b/src/Operation/Wrap.php
index e4bcab516..f35a70b62 100644
--- a/src/Operation/Wrap.php
+++ b/src/Operation/Wrap.php
@@ -21,8 +21,6 @@
 final class Wrap extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @return Closure(iterable<TKey, T>): Generator<int, array<TKey, T>>
      */
     public function __invoke(): Closure
@@ -37,8 +35,8 @@ public function __invoke(): Closure
             static fn ($value, $key): array => [$key => $value];
 
         /** @var Closure(iterable<TKey, T>): Generator<int, array<TKey, T>> $pipe */
-        $pipe = Pipe::of()(
-            Map::of()($mapCallback),
+        $pipe = (new Pipe())()(
+            (new Map())()($mapCallback),
             (new Normalize())()
         );
 
diff --git a/src/Operation/Zip.php b/src/Operation/Zip.php
index 43462a5f4..70557d7fa 100644
--- a/src/Operation/Zip.php
+++ b/src/Operation/Zip.php
@@ -25,8 +25,6 @@
 final class Zip extends AbstractOperation
 {
     /**
-     * @pure
-     *
      * @template UKey
      * @template U
      *
diff --git a/src/Utils/CallbacksArrayReducer.php b/src/Utils/CallbacksArrayReducer.php
index 15dc02c26..3f02e1fc0 100644
--- a/src/Utils/CallbacksArrayReducer.php
+++ b/src/Utils/CallbacksArrayReducer.php
@@ -22,8 +22,6 @@
 final class CallbacksArrayReducer
 {
     /**
-     * @pure
-     *
      * @return Closure(array<array-key, callable(T=, TKey=, iterable<TKey, T>=): bool>, T, TKey, iterable<TKey, T>): bool
      */
     public static function or(): Closure