On Mon, Jun 29, 2020 at 7:28 PM Jake Montgomery <jake6...@gmail.com> wrote:
> I'm curious how you would propose rewriting:
> func Foo(type T comparable, B interface{})(a T, b B, c T) {
>
You could just annotate each distinct type on first appeareance:
func Foo(a T:type comparable, b B:type interface{}, c T) {
>
>
>
>
> On Friday, June 19, 2020 at 6:57:45 PM UTC-4, mit...@gmail.com wrote:
>>
>> Hello, Ian,
>>
>> Would it be possible to have a generic type annotation syntax like this:
>>
>> // Print prints the elements of any slice.// Print has a type parameter T,
>> and has a single (non-type)// parameter s which is a slice of that type
>> parameter.
>> func Print(type T)(s []T) {
>>
>>
>> ==>
>>
>> // Print prints the elements of any slice.// Print has a type parameter T,
>> and has a single (non-type)// parameter s which is a slice of that type
>> parameter.
>> func Print(s []T:type) {
>>
>>
>> This doesn't seem to clash with existing syntax, doesn't require a new
>> pair of parenthesis, marks T as a generic type (and can have added
>> constraint names right next to it, e.g: Print(s []T:type constraint)
>>
>> Or anything similar really, that keeps the generic type description
>> in-line with regular types, e.g. could be a special sigil added to a type
>> parameter as well (@T, $T, etc to mark it as generic, e.g.: Print(s []$T
>> constraint)
>>
>> haven't thought this through by any means, but it strikes me as a cleaner
>> option than a new set of parenthesis and duplication of the generic
>> parameter names.
>>
>> Does it make any sense? Don't recall seeing this in some other language...
>>
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