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Make some key MutableSpan APIs transparent #85802

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Merged
tbkka merged 1 commit into from
Dec 3, 2025
Merged

Make some key MutableSpan APIs transparent #85802

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5 changes: 5 additions & 0 deletions stdlib/public/core/Span/MutableSpan.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -89,6 +89,7 @@ extension MutableSpan where Element: ~Copyable {

@unsafe
@_alwaysEmitIntoClient
@_transparent
@lifetime(borrow start)
public init(
_unsafeStart start: UnsafeMutablePointer<Element>,
Expand Down Expand Up @@ -295,10 +296,12 @@ extension MutableSpan where Element: ~Copyable {
/// - Complexity: O(1)
@_alwaysEmitIntoClient
public subscript(_ position: Index) -> Element {
@_transparent
unsafeAddress {
_checkIndex(position)
return unsafe UnsafePointer(_unsafeAddressOfElement(unchecked: position))
}
@_transparent
@lifetime(self: copy self)
unsafeMutableAddress {
_checkIndex(position)
Expand All @@ -317,9 +320,11 @@ extension MutableSpan where Element: ~Copyable {
@unsafe
@_alwaysEmitIntoClient
public subscript(unchecked position: Index) -> Element {
@_transparent
unsafeAddress {
unsafe UnsafePointer(_unsafeAddressOfElement(unchecked: position))
}
@_transparent
@lifetime(self: copy self)
unsafeMutableAddress {
unsafe _unsafeAddressOfElement(unchecked: position)
Expand Down