On Wednesday, September 12, 2018 at 10:56:04 AM UTC+2, ohir wrote:
>
> On Tue, 11 Sep 2018 18:22:12 -0700
> Patrick Smith <pat42...@gmail.com <javascript:>> wrote:
>
> > I'm fairly sure there's no way to write Min, but perhaps someone can
> prove
> > me wrong?
>
> Within "Craftsman Go Generics" proposal its trivial:
>
> func Min(a, b T) T {
> for type switch {
> case T func(T) Less(T) T:
> return a.Less(b)
> }
> if a < b {
> return a
> }
> return b
> }
>
>
What about:
func Min(type T) (a, b T) T {
try {
return a.Less(b)
} else {
if a < b {
return a
}
return b
}
}
`try` tries each block at compile time, and use the first block that
compiles successfully.
Well, probably there are a lot of issue with this proposal.
> [...]
Manlio
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