Merge pull request #72478 from lorentey/undo-Result.map&.flatMap-generalization-6.0

[6.0][stdlib] Undo the generalization of `Result.map` & `.flatMap` for now

Author: lorentey

stdlib/public/core/Result.swift

@@ -49,8 +49,7 @@ extension Result {
   /// - Returns: A `Result` instance with the result of evaluating `transform`
   ///   as the new success value if this instance represents a success.
   @inlinable
-  @_preInverseGenerics
-  public func map<NewSuccess: ~Copyable>(
+  public func map<NewSuccess>(
     _ transform: (Success) -> NewSuccess
   ) -> Result<NewSuccess, Failure> {
     switch self {
@@ -175,8 +174,7 @@ extension Result {
   /// - Returns: A `Result` instance, either from the closure or the previous
   ///   `.failure`.
   @inlinable
-  @_preInverseGenerics
-  public func flatMap<NewSuccess: ~Copyable>(
+  public func flatMap<NewSuccess>(
     _ transform: (Success) -> Result<NewSuccess, Failure>
   ) -> Result<NewSuccess, Failure> {
     switch self {

test/api-digester/Outputs/stability-stdlib-source-x86_64.swift.expected

@@ -253,10 +253,8 @@ Func Optional.==(_:_:) has parameter 0 changing from Default to Shared
 Func Optional.==(_:_:) has parameter 1 changing from Default to Shared
 Func Optional.~=(_:_:) has generic signature change from <Wrapped> to <Wrapped where Wrapped : ~Copyable>
 Func Optional.~=(_:_:) has parameter 1 changing from Default to Shared
-Func Result.flatMap(_:) has generic signature change from <Success, Failure, NewSuccess where Failure : Swift.Error> to <Success, Failure, NewSuccess where Failure : Swift.Error, NewSuccess : ~Copyable>
 Func Result.get() has generic signature change from <Success, Failure where Failure : Swift.Error> to <Success, Failure where Failure : Swift.Error, Success : ~Copyable>
 Func Result.get() has self access kind changing from NonMutating to Consuming
-Func Result.map(_:) has generic signature change from <Success, Failure, NewSuccess where Failure : Swift.Error> to <Success, Failure, NewSuccess where Failure : Swift.Error, NewSuccess : ~Copyable>
 Func Result.mapError(_:) has self access kind changing from NonMutating to Consuming
 Func UnsafeBufferPointer.deallocate() has generic signature change from <Element> to <Element where Element : ~Copyable>
 Func UnsafeBufferPointer.distance(from:to:) has generic signature change from <Element> to <Element where Element : ~Copyable>

test/api-digester/stability-stdlib-abi-without-asserts.test

@@ -605,13 +605,7 @@ Func Optional.~=(_:_:) has generic signature change from <Wrapped> to <Wrapped w
 Func Optional.~=(_:_:) has mangled name changing from 'static Swift.Optional.~= infix(Swift._OptionalNilComparisonType, Swift.Optional<A>) -> Swift.Bool' to 'static (extension in Swift):Swift.Optional< where A: ~Swift.Copyable>.~= infix(Swift._OptionalNilComparisonType, Swift.Optional<A>) -> Swift.Bool'
 Func Optional.~=(_:_:) has parameter 1 changing from Default to Shared
 Func Optional.~=(_:_:) is now with @_preInverseGenerics
-Func Result.flatMap(_:) has generic signature change from <Success, Failure, NewSuccess where Failure : Swift.Error> to <Success, Failure, NewSuccess where Failure : Swift.Error, NewSuccess : ~Copyable>
-Func Result.flatMap(_:) has mangled name changing from 'Swift.Result.flatMap<A>((A) -> Swift.Result<A1, B>) -> Swift.Result<A1, B>' to 'Swift.Result.flatMap<A where A1: ~Swift.Copyable>((A) -> Swift.Result<A1, B>) -> Swift.Result<A1, B>'
-Func Result.flatMap(_:) is now with @_preInverseGenerics
 Func Result.get() has been removed
-Func Result.map(_:) has generic signature change from <Success, Failure, NewSuccess where Failure : Swift.Error> to <Success, Failure, NewSuccess where Failure : Swift.Error, NewSuccess : ~Copyable>
-Func Result.map(_:) has mangled name changing from 'Swift.Result.map<A>((A) -> A1) -> Swift.Result<A1, B>' to 'Swift.Result.map<A where A1: ~Swift.Copyable>((A) -> A1) -> Swift.Result<A1, B>'
-Func Result.map(_:) is now with @_preInverseGenerics
 Func Result.mapError(_:) has been removed
 Func UnsafeBufferPointer.deallocate() has generic signature change from <Element> to <Element where Element : ~Copyable>
 Func UnsafeBufferPointer.deallocate() has mangled name changing from 'Swift.UnsafeBufferPointer.deallocate() -> ()' to '(extension in Swift):Swift.UnsafeBufferPointer< where A: ~Swift.Copyable>.deallocate() -> ()'