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Wrong diagnostic with async throws property #59614

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NachoSoto opened this issue Jun 21, 2022 · 1 comment
Open

Wrong diagnostic with async throws property #59614

NachoSoto opened this issue Jun 21, 2022 · 1 comment
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@etcwilde
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accessors Feature → declarations: Variable (property) accessors async & await Feature → concurrency: asynchronous function aka the async/await pattern bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself concurrency Feature: umbrella label for concurrency language features declarations Feature: declarations diagnostics QoI Bug: Diagnostics Quality of Implementation parser Area → compiler: The legacy C++ parser swift 6.0

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@NachoSoto
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NachoSoto commented Jun 21, 2022 •
edited
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To Reproduce

struct A {
    var p: Int {
        async get throws { return 0 }
    }
}

Expected behavior

  • Fix-it to replace async get throws with get async throws

Actual behavior

error: repl.swift:3:9: error: found 'async' in expression; did you mean 'await'?
        async get throws {
        ^~~~~
        await

error: repl.swift:3:19: error: 'throws' may only occur before '->'
        async get throws {
                  ^

Environment

  • OS: macOS 13.0 beta 1
  • Swift version: 5.7 (swiftlang-5.7.0.113.202 clang-1400.0.16.2)
@NachoSoto NachoSoto added the bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. label Jun 21, 2022
@etcwilde etcwilde self-assigned this Jun 22, 2022
@NachoSoto
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@etcwilde FYI this is still broken on Swift 6.

@AnthonyLatsis AnthonyLatsis added concurrency Feature: umbrella label for concurrency language features parser Area → compiler: The legacy C++ parser compiler The Swift compiler in itself diagnostics QoI Bug: Diagnostics Quality of Implementation async & await Feature → concurrency: asynchronous function aka the async/await pattern accessors Feature → declarations: Variable (property) accessors declarations Feature: declarations swift 6.0 labels Jun 19, 2024
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@etcwilde etcwilde

Labels
accessors Feature → declarations: Variable (property) accessors async & await Feature → concurrency: asynchronous function aka the async/await pattern bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself concurrency Feature: umbrella label for concurrency language features declarations Feature: declarations diagnostics QoI Bug: Diagnostics Quality of Implementation parser Area → compiler: The legacy C++ parser swift 6.0
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@NachoSoto @etcwilde @AnthonyLatsis