[Issue 10193] Template args to UDA's

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=10193

--- Comment #5 from Manu <turkey...@gmail.com> ---
Can we have some movement on this?
std.simd is blocked on this issue.

Here's the thing:

enum targets[] = [ "hello", "world" ];

@attribute("target", targets[Target])
T func(int Target, T)(T arg)
{
  return arg;
}


The UDA is based on a template arg, and this doesn't work.
I try and expand it manually:

template func(int Target, T)
{
  @attribute("target", targets[Target])
  T func(T arg)
  {
    return arg;
  }
}

But this doesn't work either, it complains:
  Error: template func cannot deduce function from argument types
!()(__vector(int[4])), candidates are: ...


Is there a workaround solution available?
It'd be nice to support this directly as in the OP.

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