[swift-users] ambiguous minus operator

[Jordan Rose]

> 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.
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