Yeah, there's no way to do this as such. One thing you could possibly do
instead is define a wrapper around the type and use methods:
type MyWrapper struct {
theSlice []Elem
}
type Index int
func(w MyWrapper) At(i Index) Elem {
return w.theSlice[int(i)]
}
func(w MyWrapper) SetAt(i Index, v Elem) {
w.theSlice[int(i)] = v
}
Quoting jake6...@gmail.com (2018-10-07 09:29:23)
> I'm gonna say no.
> On Saturday, October 6, 2018 at 5:07:33 PM UTC-4, Steve Roth wrote:
>
> Is there a way to declare an array (or slice) that is indexed by a type
> derived from int, rather than indexed by int?� My intent is to have
> the compiler complain if I index the array/slice with a generic int
> rather than the specific int-derived type I'm supposed to use.� This
> will help verify correct usage of the array.� I didn't see any way to
> do this in the language spec, but hopefully I just missed it?
> Thanks,
> Steve
>
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