On Fri, Jun 27, 2014 at 06:04:18AM +0000, Uranuz via Digitalmars-d-learn wrote:
> Compiler can't deduce type for template struct Pair when using it with
> enum argument. There is an example
>
> import std.stdio;
>
> enum Category { first, second, third };
>
> struct Pair(F, S)
> {
> F first;
> S second;
>
> this(F f, S s)
> {
> first = f;
> second = s;
> }
> }
>
>
> void main()
> {
> auto p = Pair(Category.first, "first"); //It fails
>
> writeln(p);
> }
>
> Is it not working for some reason or I'm doing something wrong or is
> it just lack of implementation? How I could make this working without
> explicit specifying of types?
Try this:
struct Pair(F, S)
{
F first;
S second;
}
auto pair(F,S)(F f, S s)
{
return Pair!(F,S)(f,s);
}
void main()
{
auto p = pair(Category.first, "first");
}
T
--
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