On Wed, Oct 17, 2018 at 1:47 PM Andy Balholm <andybalh...@gmail.com> wrote:
>
> That’s a very interesting idea. It would probably need to be extended to
> allow specifying that a type is like multiple types. Then the effective
> “contract” would be the intersection of the operations provided by those
> types. For example, we would want to be able to specify a type that is like
> both string and []byte; it would support len, range, and indexing, but not +
> or mutation.
>
> Combining this concept with the function syntax from the standard proposal,
> here is what the classic Min function would look like:
Extending this a bit, you should be able to write:
type T like(int,float64)
as a type template, and then do things like:
type X template {
F() T
}
Not sure if the idea will collapse when the details are worked out. I
can attempt if there is interest.
>
> func Min(type T like(int, float64))(a, b T) T {
> if a < b {
> return a
> }
> return b
> }
>
> Andy
>
>
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