[Issue 16478] Don't allow to!T() in constraint

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=16478

Nick Treleaven <nick at geany.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |nick at geany.org
           Assignee|nobody at puremagic.com        |nick at geany.org
            Summary|Confusing internal error    |Don't allow to!T() in
                   |message with                |constraint
                   |std.variant.visit           |
           Severity|normal                      |minor

--- Comment #1 from Nick Treleaven <nick at geany.org> ---
PR pending. The error is because A.length can be zero:

T to(A...)(A args) if (!isRawStaticArray!A)

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