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Mark _MutablePairHandle and _MutablePair as @usableFromInline #1768

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Merged
merged 2 commits into from
Nov 15, 2018
Merged

Mark _MutablePairHandle and _MutablePair as @usableFromInline #1768

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88327e3
Mark _MutablePairHandle and _MutablePair as @usableFromInline
tkremenek Nov 15, 2018
3107383
_NSCFString must be marked @usableFromInline because _NSCFConstantStr…
tkremenek Nov 15, 2018
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2 changes: 2 additions & 0 deletions Foundation/IndexSet.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -837,6 +837,7 @@ extension NSIndexSet : _HasCustomAnyHashableRepresentation {
/// Holds either the immutable or mutable version of a Foundation type.
///
/// In many cases, the immutable type has optimizations which make it preferred when we know we do not need mutation.
@usableFromInline
internal enum _MutablePair<ImmutableType, MutableType> {
case Default(ImmutableType)
case Mutable(MutableType)
Expand All @@ -845,6 +846,7 @@ internal enum _MutablePair<ImmutableType, MutableType> {
/// A class type which acts as a handle (pointer-to-pointer) to a Foundation reference type which has both an immutable and mutable class (e.g., NSData, NSMutableData).
///
/// a.k.a. Box
@usableFromInline
internal final class _MutablePairHandle<ImmutableType : NSObject, MutableType : NSObject>
where ImmutableType : NSMutableCopying, MutableType : NSMutableCopying {
@usableFromInline
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1 change: 1 addition & 0 deletions Foundation/NSCFString.swift
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Expand Up @@ -10,6 +10,7 @@

import CoreFoundation

@usableFromInline
internal class _NSCFString : NSMutableString {
required init(characters: UnsafePointer<unichar>, length: Int) {
fatalError()
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