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"Ambiguous use of Promise.pipe(to:)" error building with Xcode 10.2 Beta 1 in Swift 4 mode #31

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JaviSoto opened this issue Jan 24, 2019 · 2 comments
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"Ambiguous use of Promise.pipe(to:)" error building with Xcode 10.2 Beta 1 in Swift 4 mode #31

JaviSoto opened this issue Jan 24, 2019 · 2 comments

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@JaviSoto
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I think this is because of the Swift 5 change special-casing Swift.Error, but I didn't look into it in much detail.

screen shot 2019-01-24 at 12 45 26 pm
@lilyball
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This sounds like a compiler bug. The Error-specific override should be considered more specific than the generic one. I'll dig into it further though.

@lilyball
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I've filed this as SR-9753.

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@lilyball @JaviSoto