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[stdlib] Remove _FixedArray16 #75575

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Merged
merged 1 commit into from
Jul 31, 2024
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[stdlib] Remove _FixedArray16 #75575

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4 changes: 0 additions & 4 deletions docs/StandardLibraryProgrammersManual.md
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Expand Up @@ -480,10 +480,6 @@ The standard library cannot import the Darwin module (much less an ICU module),

### Internal structures

#### `_FixedArray16`

The standard library has an internal array type of fixed size 16. This provides fast random access into contiguous (usually stack-allocated) memory. See [FixedArray.swift](https://github.com/swiftlang/swift/blob/main/stdlib/public/core/FixedArray.swift) for implementation.

#### Thread Local Storage

The standard library utilizes thread local storage (TLS) to cache expensive computations or operations in a thread-safe fashion. This is currently used for tracking some ICU state for Strings. Adding new things to this struct is a little more involved, as Swift lacks some of the features required for it to be expressed elegantly (e.g. move-only structs):
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1 change: 0 additions & 1 deletion stdlib/public/core/CMakeLists.txt
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Expand Up @@ -79,7 +79,6 @@ split_embedded_sources(
EMBEDDED ErrorType.swift
EMBEDDED ExistentialCollection.swift
NORMAL Filter.swift
NORMAL FixedArray.swift
NORMAL FlatMap.swift
NORMAL Flatten.swift
EMBEDDED FloatingPoint.swift
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152 changes: 0 additions & 152 deletions stdlib/public/core/FixedArray.swift
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