Default-valued nothrow @nogc std.conv:to

[Stanislav Blinov via Digitalmars-d]

On Saturday, 22 April 2017 at 12:16:19 UTC, Nordlöw wrote:
> 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.

If defaultValue is not lazy, it's potentially wasteful. But at 
the moment, lazy are never inferred as nothrow: 
https://issues.dlang.org/show_bug.cgi?id=12647