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[SR-1793] Type inference does not work with autoclosure #44402

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swift-ci opened this issue Jun 16, 2016 · 1 comment
Open

[SR-1793] Type inference does not work with autoclosure #44402

swift-ci opened this issue Jun 16, 2016 · 1 comment
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself type checker Area → compiler: Semantic analysis

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@swift-ci
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Previous ID SR-1793
Radar rdar://problem/21786778
Original Reporter fpg1503 (JIRA User)
Type Bug
Environment

Xcode 8.0 beta (8S128d) Playgrounds (Happens at least since Swift 2.0)

Additional Detail from JIRA
Votes 2
Component/s Compiler
Labels Bug, TypeChecker
Assignee None
Priority Medium

md5: a6cf52ed16f45c857930e752fd76c7b6

is duplicated by:

  • SR-7488 [Bool].reduce can't work with && simply

Issue Description:

General Swift cannot infer autoclosure when you apply a high order function, i.e.

func reduceBools(values: [Bool]) -> Bool {
    return values.reduce(false, combine: ||)
}

Gives the error "Ambiguous reference to member '||'"

Expected results: Code compiles and works fine.
@typesanitizer
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Related question on Swift forums today: https://forums.swift.org/t/adding-autoclosure-breaks-the-functions-usage/37738

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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Labels
bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself type checker Area → compiler: Semantic analysis
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@typesanitizer @swift-ci