Oh, I hate that error! If there was ever a time I've wanted to have a
conversation with the compiler... "yes, mr compiler, I know the same type
requirement makes them equivalent; that's why I wrote it! Please compile
anyway."
Which version of the compiler/language are you using?
Sent from my iPhone
> On Jul 8, 2017, at 21:39, Zhao Xin <owe...@gmail.com> wrote:
>
> No, David, it is now allowed. "error: same-type requirement makes generic
> parameters 'Source' and 'Displacement' equivalent".
>
> Zhao Xin
>
>> On Sun, Jul 9, 2017 at 12:35 PM, David Sweeris via swift-users
>> <swift-users@swift.org> wrote:
>> You could try putting that init in an extension "where Source ==
>> Displacement"
>>
>> > On Jul 8, 2017, at 21:06, Taylor Swift via swift-users
>> > <swift-users@swift.org> wrote:
>> >
>> > I have a type like
>> >
>> > struct DistortedNoise<Source, Displacement> where Source:Noise,
>> > Displacement:Noise
>> > {
>> > let source:Source,
>> > displacement:Displacement
>> >
>> > init(source:Source, displacement:Displacement)
>> > {
>> > self.source = source
>> > self.displacement = displacement
>> > }
>> >
>> > init(source:Source)
>> > {
>> > self.source = source
>> > self.displacement = source
>> > }
>> > }
>> >
>> > and I get the error
>> >
>> > Compile Swift Module 'Noise' (5 sources)
>> > /home/taylor/noise/sources/noise/noise.swift:576:29: error: 'Source' is
>> > not convertible to 'Displacement'
>> > self.displacement = source
>> > ^~~~~~
>> >
>> > How do I tell Swift that I want the same type fulfilling both Source and
>> > Displacement?
>> >
>> > _______________________________________________
>> > swift-users mailing list
>> > swift-users@swift.org
>> > https://lists.swift.org/mailman/listinfo/swift-users
>> _______________________________________________
>> swift-users mailing list
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>
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