docs: Update documentation.

Signed-off-by: Pol Dellaiera <pol.dellaiera@protonmail.com>

CHANGELOG.md

@@ -5,7 +5,17 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [2.7.1](https://github.com/loophp/collection/compare/2.7.0...2.7.1)
+## [2.7.2](https://github.com/loophp/collection/compare/2.7.1...2.7.2)
+
+### Commits
+
+- refactor: Add missing annotations. [`bdedb51`](https://github.com/loophp/collection/commit/bdedb51f91547117ff1069dffdc2686bba18b5f0)
+- refactor: Add return statement. [`1a57ffb`](https://github.com/loophp/collection/commit/1a57ffb6a9589a7da0811ae7d24955252c7635df)
+- test: Add missing tests. [`a2217a8`](https://github.com/loophp/collection/commit/a2217a8dba01e72354bec7738a98e76dcc22d7d6)
+- refactor: Align TakeWhile and Until operations. [`b680be9`](https://github.com/loophp/collection/commit/b680be963a113a554efe293c771cc74b52912065)
+- refactor: Leverage tacit programming. [`aa4df6e`](https://github.com/loophp/collection/commit/aa4df6e545216d72e5cf8ae3c8739bdc12000da3)
+
+## [2.7.1](https://github.com/loophp/collection/compare/2.7.0...2.7.1) - 2020-10-08
 
 ### Merged
 
@@ -14,6 +24,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Commits
 
+- docs: Update changelog. [`7ea007d`](https://github.com/loophp/collection/commit/7ea007d7b74b6d5e936bcc1a2b12ed8cd75a37c0)
 - fix: Fix Has operation. [`8af7817`](https://github.com/loophp/collection/commit/8af7817cef291570f83169a4753861d150f17ae2)
 - refactor: Leverage tacit programming. [`69541f6`](https://github.com/loophp/collection/commit/69541f6179d48cf2c5da5d201a3cd600b86d8dde)
 

docs/pages/api.rst

@@ -178,8 +178,14 @@ Operations always returns a new collection object.
 all
 ~~~
 
+Convert the collection into an array.
+
+This is a lossy operation because PHP array keys cannot be duplicated and must either be int or string.
+
 Interface: `Allable`_
 
+Signature: ``Collection::all();``
+
 append
 ~~~~~~
 
@@ -402,8 +408,12 @@ Signature: ``Collection::compact(...$values);``
 contains
 ~~~~~~~~
 
+Check if the collection contains one or more value.
+
 Interface: `Containsable`_
 
+Signature: ``Collection::contains(...$value);``
+
 current
 ~~~~~~~
 
@@ -573,8 +583,12 @@ Signature: ``Collection::explode(...$items);``
 falsy
 ~~~~~
 
+Check if the collection contains falsy values.
+
 Interface: `Falsyable`_
 
+Signature: ``Collection::falsy();``
+
 filter
 ~~~~~~
 
@@ -739,8 +753,12 @@ Signature: ``Collection::frequency();``
 get
 ~~~
 
+Get a specific element of the collection from a key, if the key doesn't exists, returns the default value.
+
 Interface: `Getable`_
 
+Signature: ``Collection::get($key, $default = null);``
+
 group
 ~~~~~
 
@@ -788,8 +806,12 @@ Signature: ``Collection::groupBy(?callable $callback = null);``
 has
 ~~~
 
+Check if the collection has a value. The value must be provided as a callback.
+
 Interface: `Hasable`_
 
+Signature: ``Collection::has(callable $callback);``
+
 head
 ~~~~
 
@@ -845,8 +867,14 @@ Signature: ``Collection::ifThenElse(callable $condition, callable $then, ?callab
 implode
 ~~~~~~~
 
+Convert all the elements of the collection to a single string.
+
+The glue character can be provided, default is the empty character.
+
 Interface: `Implodeable`_
 
+Signature: ``Collection::implode(string $glue = '');``
+
 init
 ~~~~
 
@@ -1073,8 +1101,12 @@ Signature: ``Collection::nth(int $step, int $offset = 0);``
 nullsy
 ~~~~~~
 
+Check if the collection contains nullsy values.
+
 Interface: `Nullsyable`_
 
+Signature: ``Collection::nullsy();``
+
 only
 ~~~~
 
@@ -1684,8 +1716,12 @@ Signature: ``Collection::transpose();``
 truthy
 ~~~~~~
 
+Check if the collection contains truthy values.
+
 Interface: `Truthyable`_
 
+Signature: ``Collection::truthy();``
+
 unlines
 ~~~~~~~