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Add Large Data internal initializer entrypoint #1538

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merged 1 commit into from
Oct 9, 2025
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Add Large Data internal initializer entrypoint #1538

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6 changes: 6 additions & 0 deletions Sources/FoundationEssentials/Data/Data.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -1165,6 +1165,12 @@ public struct Data : Equatable, Hashable, RandomAccessCollection, MutableCollect
self.storage = storage
self.slice = RangeReference(0..<count)
}

// Not exposed as ABI and only usable by internal, non-inlined code and therefore not @inlinable
init(_ storage: __DataStorage, range: Range<Int>) {
self.storage = storage
self.slice = RangeReference(range)
}

@inlinable // This is @inlinable as trivially computable (and inlining may help avoid retain-release traffic).
mutating func ensureUniqueReference() {
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