Templated Template Value Parameters
user456
user456 at 456.45
Sun Oct 1 10:02:33 UTC 2017
On Sunday, 1 October 2017 at 08:56:52 UTC, Robin Kupper wrote:
> I have a question regarding template value parameters.
>
> As this works:
>
> template B(T, T[] foo) {}
>
> I expected
>
> template A(U) {}
> template B(T, A!T foo) {}
>
> to work, too. Currently, it failes with "undefined identifier
> `T`".
>
> I'm not sure as why T is undefined in this case, as the first
> example works properly.
>
> In the same vein:
>
> alias A(U) = int;
> template B(T, A!T u) {}
>
> This failes to compile with "undefined identifier `T`", too.
>
> Why is this happening?
>
> I'm using DMD v2.076.0.
template B(T, alias A!T foo) {}
Note that such Q should go here
https://forum.dlang.org/group/learn
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