Sync (#813)

* Sync docs and metadata (#771)

* Bump actions/checkout from 4.1.7 to 4.2.0 (#772)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.1.7 to 4.2.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@692973e...d632683)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Fix avogadro constant (#777)

* Update about.md (#778)

* Update about.md

Fix word-choice error.

* Also make fixes in concept:numbers:introduction.md and exercises:freelancer-rates:introduction.md

* Fix `NESButtons` typo (#779)

* Fix `NESButtons` typo

Just a little typo in the enum name.

* fix other mentions of `NESButtons`

* Bump actions/checkout from 4.2.0 to 4.2.2 (#775)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.2.0 to 4.2.2.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@d632683...11bd719)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* [New Exercise]: Armstrong Numbers (#708)

* Add Armstrong Numbers exercise

* Add author

* [Armstrong number]: Fix formatting (#783)

* Fix formatting

* Fix

* [New Exercise]: Darts (#707)

* Add Darts exercise

* Add author

* Fix

* Sync exercise to problem spec

* Update CI configuration and add Swift Numerics dependency (#806)

* Update CI configuration and add Swift Numerics dependency

* Check if swift6 is available in macos 15

* Remove obsolete LinuxMain.swift and XCTestManifests.swift files from various exercises (#812)

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: András B Nagy <20251272+BNAndras@users.noreply.github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Mike Shaver <shaver@off.net>

exercises/concept/bomb-defuser/.meta/Sources/BombDefuser/BombDefuserExemplar.swift

@@ -1,9 +1,11 @@
-let flip = { (tuple: (String, String, String)) -> (String, String, String) in
+typealias RotationClosure = @Sendable ((String, String, String)) -> (String, String, String)
+
+let flip: RotationClosure = { (tuple: (String, String, String)) -> (String, String, String) in
   let (a, b, c) = tuple
   return (b, a, c)
 }
 
-let rotate = { (tuple: (String, String, String)) -> (String, String, String) in
+let rotate: RotationClosure = { (tuple: (String, String, String)) -> (String, String, String) in
   let (a, b, c) = tuple
   return (b, c, a)
 }

exercises/concept/bomb-defuser/Tests/BombDefuserTests/BombDefuserTests.swift

@@ -55,12 +55,4 @@ final class BombDefuserTests: XCTestCase {
       stringify(expected), stringify(got),
       "shuffle(0, (\"Brown\", \"Orange\", \"White\")): Expected \(expected), got \(got)")
   }
-
-  static var allTests = [
-    ("testFlip", testFlip),
-    ("testRotate", testRotate),
-    ("testShuffle1", testShuffle1),
-    ("testShuffle2", testShuffle2),
-    ("testShuffle3", testShuffle3),
-  ]
 }

exercises/concept/high-score-board/Tests/HighScoreBoardTests/HighScoreBoardTests.swift

@@ -140,16 +140,4 @@ final class HighScoreBoardTests: XCTestCase {
       "Expected: \(expected)\nGot: \(got)\norderByPlayers should return the key/value pairs odered ascending by the player's score."
     )
   }
-
-  static var allTests = [
-    ("testEmptyScores", testEmptyScores),
-    ("testAddPlayerExplicit", testAddPlayerExplicit),
-    ("testAddPlayerDefault", testAddPlayerDefault),
-    ("testRemovePlayer", testRemovePlayer),
-    ("testRemoveNonexistentPlayer", testRemoveNonexistentPlayer),
-    ("testResetScore", testResetScore),
-    ("testUpdateScore", testUpdateScore),
-    ("testOrderByPlayers", testOrderByPlayers),
-    ("testOrderByScores", testOrderByScores),
-  ]
 }

exercises/concept/lasagna-master/Tests/LasagnaMasterTests/LasagnaMasterTests.swift

@@ -81,18 +81,4 @@ final class LasagnaMasterTests: XCTestCase {
         layers: "sauce", "noodles", "béchamel", "meat", "mozzarella", "noodles", "sauce", "ricotta",
         "eggplant", "mozzarella", "béchamel", "noodles", "meat", "sauce", "mozzarella"))
   }
-
-  static var allTests = [
-    ("testRemainingMinutesExplicit", testRemainingMinutesExplicit),
-    ("testRemainingMinutesDefault", testRemainingMinutesDefault),
-    ("testPreparationTime", testPreparationTime),
-    ("testPreparationTimeEmpty", testPreparationTimeEmpty),
-    ("testQuantities", testQuantities),
-    ("testQuantitiesNoSauce", testQuantitiesNoSauce),
-    ("testQuantitiesNoNoodles", testQuantitiesNoNoodles),
-    ("testToOz", testToOz),
-    ("testRedWineRedInequalLayerCount", testRedWineRedInequalLayerCount),
-    ("testRedWineRedEqualLayerCount", testRedWineRedEqualLayerCount),
-    ("testRedWineWhite", testRedWineWhite),
-  ]
 }

exercises/concept/log-lines/Tests/LogLinesTests/LogLinesTests.swift

@@ -95,22 +95,4 @@ final class LogLinesTests: XCTestCase {
     let message = "Wha happon?"
     XCTAssertEqual(LogLevel.unknown.shortFormat(message: message), "42:Wha happon?")
   }
-
-  static var allTests = [
-    ("testInitTrace", testInitTrace),
-    ("testInitDebug", testInitDebug),
-    ("testInitInfo", testInitInfo),
-    ("testInitWarning", testInitWarning),
-    ("testInitError", testInitError),
-    ("testInitFatal", testInitFatal),
-    ("testInitUnknownEmpty", testInitUnknownEmpty),
-    ("testInitUnknownNonStandard", testInitUnknownNonStandard),
-    ("testShortTrace", testShortTrace),
-    ("testShortDebug", testShortDebug),
-    ("testShortInfo", testShortInfo),
-    ("testShortWarning", testShortWarning),
-    ("testShortError", testShortError),
-    ("testShortFatal", testShortFatal),
-    ("testShortUnknownEmpty", testShortUnknownEmpty),
-  ]
 }

exercises/concept/master-mixologist/Tests/MasterMixologistTests/MasterMixologistTests.swift

@@ -153,20 +153,4 @@ final class MasterMixologistTests: XCTestCase {
       checkTest(e: expectedBeers, g: got.beer) && checkTest(e: expectedSodas, g: got.soda),
       "Expected (beer: nil, soda: nil), got: \(got)")
   }
-
-  static var allTests = [
-    ("testTimeToPrepare", testTimeToPrepare),
-    ("testMakeWedges", testMakeWedges),
-    ("testMakeWedgesNoNeed", testMakeWedgesNoNeed),
-    ("testMakeWedgesNoLimes", testMakeWedgesNoLimes),
-    ("testMakeWedgesTooFewLimes", testMakeWedgesTooFewLimes),
-    ("testFinishShift", testFinishShift),
-    ("testFinishShiftJustRunOver", testFinishShiftJustRunOver),
-    ("testFinishShiftLeaveEarly", testFinishShiftLeaveEarly),
-    ("testOrderTracker", testOrderTracker),
-    ("testOrderOneEach", testOrderOneEach),
-    ("testOrderTrackerNoBeer", testOrderTrackerNoBeer),
-    ("testOrderTrackerNoSoda", testOrderTrackerNoSoda),
-    ("testOrderTrackerNils", testOrderTrackerNils),
-  ]
 }

exercises/concept/pizza-slices/Tests/PizzaSlicesTests/PizzaSlicesTests.swift

@@ -71,19 +71,4 @@ final class PizzaSlicesTests: XCTestCase {
     let biggest = biggestSlice(diameterA: "0", slicesA: "8", diameterB: "16 inches", slicesB: "8")
     XCTAssertEqual(biggest, "Slice A is bigger")
   }
-
-  static var allTests = [
-    ("testSliceNormal", testSliceNormal),
-    ("testSliceNilDiameter", testSliceNilDiameter),
-    ("testSliceNilSlices", testSliceNilSlices),
-    ("testSliceBadDiameter", testSliceBadDiameter),
-    ("testSliceBadSlices", testSliceBadSlices),
-    ("testABiggest", testABiggest),
-    ("testBBiggest", testBBiggest),
-    ("testBothSame", testBothSame),
-    ("testANil", testANil),
-    ("testBNil", testBNil),
-    ("testBothNil", testBothNil),
-    ("testZeroIsValid", testZeroIsValid),
-  ]
 }

exercises/concept/poetry-club/Tests/PoetryClubTests/PoetryClubTests.swift

@@ -79,20 +79,4 @@ final class PoetryClubTests: XCTestCase {
     try XCTSkipIf(true && !runAll)  // change true to false to run this test
     XCTAssertEqual(secretRoomPassword("Open Sesame"), "OPEN SESAME!")
   }
-
-  static var allTests = [
-    ("testSplitNewlines", testSplitNewlines),
-    ("testSplitNoNewlines", testSplitNoNewlines),
-    ("testFirstLetter", testFirstLetter),
-    ("testFirstLetterEmpty", testFirstLetterEmpty),
-    ("testCapitalize", testCapitalize),
-    ("testTrimWithWhitespace", testTrimWithWhitespace),
-    ("testTrimWithoutWhitespace", testTrimWithoutWhitespace),
-    ("testLastLetter", testLastLetter),
-    ("testLastLetterEmpty", testLastLetterEmpty),
-    ("testBackdoorPassword", testBackdoorPassword),
-    ("testIthLetter", testIthLetter),
-    ("testIthLetterInvalid", testIthLetterInvalid),
-    ("testSecretRoomPassword", testSecretRoomPassword),
-  ]
 }

exercises/concept/santas-helper/Tests/SantasHelperTests/SantasHelperTests.swift

@@ -47,9 +47,4 @@ final class SantasHelperTests: XCTestCase {
         && actual.recipients == recipients
     )
   }
-  static var allTests = [
-    ("testCartesianToPolar", testCartesianToPolar),
-    ("testCartesianToPolarQ3", testCartesianToPolarQ3),
-    ("testCombineRecords", testCombineRecords),
-  ]
 }

exercises/concept/secret-agent/Tests/SecretAgentTests/SecretAgentTests.swift

@@ -34,11 +34,4 @@ final class SecretAgentTests: XCTestCase {
       })
     XCTAssertTrue(combo == (234, 91, 148))
   }
-
-  static var allTests = [
-    ("testPasswordSuccess", testPasswordSuccess),
-    ("testPasswordFail", testPasswordFail),
-    ("testCombination1", testCombination1),
-    ("testCombination2", testCombination2),
-  ]
 }

exercises/concept/windowing-system/.meta/Sources/WindowingSystem/WindowingSystemExemplar.swift

@@ -18,7 +18,7 @@ struct Size {
   }
 }
 
-class Window {
+class Window: @unchecked Sendable  {
   var title = "New Window"
   let screenSize = Size(width: 800, height: 600)
   var size = Size()

exercises/concept/windowing-system/Tests/WindowingSystemTests/WindowingSystemTests.swift

@@ -158,18 +158,4 @@ final class WindowingSystemTests: XCTestCase {
       window.display(),
       "New Window\nPosition: (0, 0), Size: (80 x 60)\n[This window intentionally left blank]\n")
   }
-
-  static var allTests = [
-    ("testNewWindow", testNewWindow),
-    ("testMainWindow", testMainWindow),
-    ("testMoveValid", testMoveValid),
-    ("testMoveTooFar", testMoveTooFar),
-    ("testMoveNegative", testMoveNegative),
-    ("testResizeValid", testResizeValid),
-    ("testResizeTooFar", testResizeTooFar),
-    ("testResizeNegative", testResizeNegative),
-    ("testUpdateTitle", testUpdateTitle),
-    ("testUpdateText", testUpdateText),
-    ("testUpdateTextNil", testUpdateTextNil),
-  ]
 }