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Apr 9, 2021
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Document version of introduction for new async-related manglings #36823

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24 changes: 16 additions & 8 deletions docs/ABI/Mangling.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -514,13 +514,17 @@ Types

type ::= 'Bb' // Builtin.BridgeObject
type ::= 'BB' // Builtin.UnsafeValueBuffer
type ::= 'Bc' // Builtin.RawUnsafeContinuation
type ::= 'BD' // Builtin.DefaultActorStorage
type ::= 'Be' // Builtin.Executor
#if SWIFT_RUNTIME_VERSION >= 5.5
type ::= 'Bc' // Builtin.RawUnsafeContinuation
type ::= 'BD' // Builtin.DefaultActorStorage
type ::= 'Be' // Builtin.Executor
#endif
type ::= 'Bf' NATURAL '_' // Builtin.Float<n>
type ::= 'Bi' NATURAL '_' // Builtin.Int<n>
type ::= 'BI' // Builtin.IntLiteral
type ::= 'Bj' // Builtin.Job
#if SWIFT_RUNTIME_VERSION >= 5.5
type ::= 'Bj' // Builtin.Job
#endif
type ::= 'BO' // Builtin.UnknownObject (no longer a distinct type, but still used for AnyObject)
type ::= 'Bo' // Builtin.NativeObject
type ::= 'Bp' // Builtin.RawPointer
Expand Down Expand Up @@ -570,8 +574,10 @@ Types
// they are mangled separately as part of the entity.
params-type ::= empty-list // shortcut for no parameters

async ::= 'Ya' // 'async' annotation on function types
sendable ::= 'Yb' // @Sendable on function types
#if SWIFT_RUNTIME_VERSION >= 5.5
async ::= 'Ya' // 'async' annotation on function types
sendable ::= 'Yb' // @Sendable on function types
#endif
throws ::= 'K' // 'throws' annotation on function types
differentiable ::= 'Yjf' // @differentiable(_forward) on function type
differentiable ::= 'Yjr' // @differentiable(reverse) on function type
Expand Down Expand Up @@ -666,8 +672,10 @@ mangled in to disambiguate.
COROUTINE-KIND ::= 'A' // yield-once coroutine
COROUTINE-KIND ::= 'G' // yield-many coroutine

SENDABLE ::= 'h' // @Sendable
ASYNC ::= 'H' // @async
#if SWIFT_RUNTIME_VERSION >= 5.5
SENDABLE ::= 'h' // @Sendable
ASYNC ::= 'H' // @async
#endif

PARAM-CONVENTION ::= 'i' // indirect in
PARAM-CONVENTION ::= 'c' // indirect in constant
Expand Down