[span] remove _shrink functions added for review purposes

Author: glessard

stdlib/public/core/Span/RawSpan.swift

@@ -258,12 +258,6 @@ extension RawSpan {
     return _extracting(unchecked: bounds)
   }
 
-  @_disallowFeatureSuppression(NonescapableTypes)
-  @_alwaysEmitIntoClient
-  public mutating func _shrink(to bounds: Range<Int>) {
-    self = _extracting(bounds)
-  }
-
   /// Constructs a new span over the bytes within the supplied range of
   /// positions within this span.
   ///
@@ -289,13 +283,6 @@ extension RawSpan {
     )
   }
 
-  @_disallowFeatureSuppression(NonescapableTypes)
-  @unsafe
-  @_alwaysEmitIntoClient
-  public mutating func _shrink(toUnchecked bounds: Range<Int>) {
-    self = _extracting(unchecked: bounds)
-  }
-
   /// Constructs a new span over the bytes within the supplied range of
   /// positions within this span.
   ///
@@ -315,12 +302,6 @@ extension RawSpan {
     _extracting(bounds.relative(to: byteOffsets))
   }
 
-  @_disallowFeatureSuppression(NonescapableTypes)
-  @_alwaysEmitIntoClient
-  public mutating func _shrink(_ bounds: some RangeExpression<Int>) {
-    self = _extracting(bounds)
-  }
-
   /// Constructs a new span over the bytes within the supplied range of
   /// positions within this span.
   ///
@@ -345,13 +326,6 @@ extension RawSpan {
     _extracting(unchecked: bounds.relative(to: byteOffsets))
   }
 
-  @_disallowFeatureSuppression(NonescapableTypes)
-  @unsafe
-  @_alwaysEmitIntoClient
-  public mutating func _shrink(toUnchecked bounds: some RangeExpression<Int>) {
-    self = _extracting(unchecked: bounds)
-  }
-
   /// Constructs a new span over all the bytes of this span.
   ///
   /// The returned span's first byte is always at offset 0; unlike buffer
@@ -606,12 +580,6 @@ extension RawSpan {
     return Self(_unchecked: _pointer, byteCount: newCount)
   }
 
-  @_disallowFeatureSuppression(NonescapableTypes)
-  @_alwaysEmitIntoClient
-  public mutating func _shrink(toFirst maxLength: Int) {
-    self = _extracting(first: maxLength)
-  }
-
   /// Returns a span over all but the given number of trailing bytes.
   ///
   /// If the number of elements to drop exceeds the number of elements in
@@ -634,12 +602,6 @@ extension RawSpan {
     return Self(_unchecked: _pointer, byteCount: byteCount&-dc)
   }
 
-  @_disallowFeatureSuppression(NonescapableTypes)
-  @_alwaysEmitIntoClient
-  public mutating func _shrink(droppingLast k: Int) {
-    self = _extracting(droppingLast: k)
-  }
-
   /// Returns a span containing the trailing bytes of the span,
   /// up to the given maximum length.
   ///
@@ -664,12 +626,6 @@ extension RawSpan {
     return Self(_unchecked: newStart, byteCount: newCount)
   }
 
-  @_disallowFeatureSuppression(NonescapableTypes)
-  @_alwaysEmitIntoClient
-  public mutating func _shrink(toLast maxLength: Int) {
-    self = _extracting(last: maxLength)
-  }
-
   /// Returns a span over all but the given number of initial bytes.
   ///
   /// If the number of elements to drop exceeds the number of bytes in
@@ -692,10 +648,4 @@ extension RawSpan {
     let newStart = _pointer?.advanced(by: dc)
     return Self(_unchecked: newStart, byteCount: byteCount&-dc)
   }
-
-  @_disallowFeatureSuppression(NonescapableTypes)
-  @_alwaysEmitIntoClient
-  public mutating func _shrink(droppingFirst k: Int) {
-    self = _extracting(droppingFirst: k)
-  }
 }

stdlib/public/core/Span/Span.swift

@@ -504,12 +504,6 @@ extension Span where Element: ~Copyable {
     return _extracting(unchecked: bounds)
   }
 
-  @_disallowFeatureSuppression(NonescapableTypes)
-  @_alwaysEmitIntoClient
-  public mutating func _shrink(to bounds: Range<Index>) {
-    self = _extracting(bounds)
-  }
-
   /// Constructs a new span over the items within the supplied range of
   /// positions within this span.
   ///
@@ -533,13 +527,6 @@ extension Span where Element: ~Copyable {
     return Span(_unchecked: _pointer?.advanced(by: delta), count: bounds.count)
   }
 
-  @_disallowFeatureSuppression(NonescapableTypes)
-  @unsafe
-  @_alwaysEmitIntoClient
-  public mutating func _shrink(toUnchecked bounds: Range<Index>) {
-    self = _extracting(unchecked: bounds)
-  }
-
   /// Constructs a new span over the items within the supplied range of
   /// positions within this span.
   ///
@@ -559,12 +546,6 @@ extension Span where Element: ~Copyable {
     _extracting(bounds.relative(to: indices))
   }
 
-  @_disallowFeatureSuppression(NonescapableTypes)
-  @_alwaysEmitIntoClient
-  public mutating func _shrink(to bounds: some RangeExpression<Int>) {
-    self = _extracting(bounds)
-  }
-
   /// Constructs a new span over the items within the supplied range of
   /// positions within this span.
   ///
@@ -589,13 +570,6 @@ extension Span where Element: ~Copyable {
     _extracting(unchecked: bounds.relative(to: indices))
   }
 
-  @_disallowFeatureSuppression(NonescapableTypes)
-  @unsafe
-  @_alwaysEmitIntoClient
-  public mutating func _shrink(toUnchecked bounds: some RangeExpression<Int>) {
-    self = _extracting(uncheckedBounds: bounds)
-  }
-
   /// Constructs a new span over all the items of this span.
   ///
   /// The returned span's first item is always at offset 0; unlike buffer
@@ -736,12 +710,6 @@ extension Span where Element: ~Copyable {
     return Self(_unchecked: _pointer, count: newCount)
   }
 
-  @_disallowFeatureSuppression(NonescapableTypes)
-  @_alwaysEmitIntoClient
-  public mutating func _shrink(toFirst maxLength: Int) {
-    self = _extracting(first: maxLength)
-  }
-
   /// Returns a span over all but the given number of trailing elements.
   ///
   /// If the number of elements to drop exceeds the number of elements in
@@ -764,12 +732,6 @@ extension Span where Element: ~Copyable {
     return Self(_unchecked: _pointer, count: count&-droppedCount)
   }
 
-  @_disallowFeatureSuppression(NonescapableTypes)
-  @_alwaysEmitIntoClient
-  public mutating func _shrink(droppingLast k: Int) {
-    self = _extracting(droppingLast: k)
-  }
-
   /// Returns a span containing the final elements of the span,
   /// up to the given maximum length.
   ///
@@ -794,12 +756,6 @@ extension Span where Element: ~Copyable {
     return Self(_unchecked: newStart, count: newCount)
   }
 
-  @_disallowFeatureSuppression(NonescapableTypes)
-  @_alwaysEmitIntoClient
-  public mutating func _shrink(toLast maxLength: Int) {
-    self = _extracting(last: maxLength)
-  }
-
   /// Returns a span over all but the given number of initial elements.
   ///
   /// If the number of elements to drop exceeds the number of elements in
@@ -822,10 +778,4 @@ extension Span where Element: ~Copyable {
     let newStart = _pointer?.advanced(by: droppedCount*MemoryLayout<Element>.stride)
     return Self(_unchecked: newStart, count: count&-droppedCount)
   }
-
-  @_disallowFeatureSuppression(NonescapableTypes)
-  @_alwaysEmitIntoClient
-  public mutating func _shrink(droppingFirst k: Int) {
-    self = _extracting(droppingFirst: k)
-  }
 }