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Allan Shortlidge 50f9ce4f28 Parse: Accept @called(exactlyOnce).
Parse `exactlyOnce` as an argument of `@called` in function types and
closure attributes, and resolve it to exactly-once execution semantics for both
Swift and SIL function types. Exactly-once values are noncopyable, consumed by
calls, and passed `consuming` by default, just like `@called(atMostOnce)`
values. Nothing enforces a call on every path yet, and no conversion
distinguishes the two kinds yet.
2026-10-03 19:18:27 -07:00
..
2026-09-15 16:04:21 +01:00
2026-09-15 16:04:21 +01:00