Default-valued nothrow @nogc std.conv:to

[Nordlöw via Digitalmars-d]

On Saturday, 22 April 2017 at 12:14:26 UTC, Nordlöw wrote:
> Is there any way I can make it `@nogc` without having to modify 
> the code in `std.conv`?

If I get this to work, I'm gonna try pushing it into std.conv.