Check whether a type is a instantiated by a template struct
Henning Pohl
henning at still-hidden.de
Sat Aug 11 12:30:24 PDT 2012
On Saturday, 11 August 2012 at 19:06:22 UTC, Chris Cain wrote:
>
> Same idea, but doing it with just one template and using static
> ifs...
>
> struct S(T) {}
>
> template isS(T) {
> static if(is(T _ : S!U, U))
> enum isS = true;
> else
> enum isS = false;
> }
>
> static assert(isS!(S!float));
> static assert(!isS!float);
Thank you two. Did not know about the great abilities of is.
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