[swift-users] ambiguous minus operator

[Zhao Xin]

I don't know if you are using an IDE, but in Xcode. I can just cmd+mouse
left click to see the code headers.

Zhaoxin

On Fri, Feb 17, 2017 at 2:22 AM, Jon Shier via swift-users <
swift-users at swift.org> wrote:

>         I’ve had good luck with being able to click the candidates in
> cases like this so Xcode will navigate to those bits of code. However, in
> this case I think the issue is that the candidates weren’t from user code
> but from the standard library, which Xcode has all sorts of issues
> navigating within, seemingly at random.
>         As an aside, it would be really cool if, instead of seeing the
> standard library as a compiled module, Xcode could navigate to the relevant
> source code (perhaps optionally). Otherwise I’m stuck either looking at
> documentation (Apple’s docs or swiftdocs) and if that doesn’t help, trying
> to navigate to the relevant code in GitHub. This is especially true for
> things like finding out what the default values defined for functions are,
> as the documentation just shows default, which is useless.
>
>
> Jon
>
> > On Feb 16, 2017, at 1:16 PM, Jordan Rose via swift-users <
> swift-users at swift.org> wrote:
> >
> >> As usual the candidates are unknown.
> >
> > Just on this particular note, this is a terrible presentation issue and
> totally something we Apple people need to fix in Xcode, but you can usually
> see what the candidates were in the build log.
> >
> > Jordan
> >
> >
> >> On Feb 16, 2017, at 07:56, J.E. Schotsman via swift-users <
> swift-users at swift.org> wrote:
> >>
> >> Hello,
> >>
> >> I am trying to define an operator that subtracts dispatch times:
> >>
> >> #import Dispatch
> >>
> >> func -( time1: DispatchTime, time2: DispatchTime ) ->
> DispatchTimeInterval
> >>      {
> >>      return DispatchTimeInterval.nanoseconds( time2.uptimeNanoseconds
> - time1.uptimeNanoseconds )
> >>      }
> >>
> >> Compiler says: Ambiguous use of operator ‘-'
> >> Found this candidate
> >> Found this candidate
> >>
> >> As usual the candidates are unknown.
> >>
> >> What am I doing wrong?
> >>
> >> Jan E.
> >> _______________________________________________
> >> swift-users mailing list
> >> swift-users at swift.org
> >> https://lists.swift.org/mailman/listinfo/swift-users
> >
> > _______________________________________________
> > swift-users mailing list
> > swift-users at swift.org
> > https://lists.swift.org/mailman/listinfo/swift-users
>
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