std.uni CodepointSet toString

[Richard (Rikki) Andrew Cattermole]

On 07/02/2024 7:27 PM, Carl Sturtivant wrote:
> Need help working around a linkage problem.
> ```d
> import std.uni, std.conv, std.stdio, std.format;
> 
> void main() {
>      //auto c1 = unicode.InBasic_latin;
>      auto c1 = CodepointSet('a','z'+1);
>      writeln(c1.to!string);
>      writeln(format("%d", c1));
>      writeln(format("%#x", c1));
>      writeln(format("%#X", c1));
>      writefln("%s", c1);
> }
> ```
> doesn't link, but does link with the commented out CodepointSet instead. 
> Combines code from these examples at the following URLs.
> https://dlang.org/phobos/std_uni.html#InversionList
> https://dlang.org/phobos/std_uni.html#.InversionList.toString
> ```
> $ dmd --version
> DMD64 D Compiler v2.107.0
> Copyright (C) 1999-2024 by The D Language Foundation, All Rights 
> Reserved written by Walter Bright
> $ dmd cset2.d
> /usr/bin/ld: cset2.o: in function 
> `_D4core8internal7switch___T14__switch_errorZQrFNaNbNiNfAyamZv':
> cset2.d:(.text._D4core8internal7switch___T14__switch_errorZQrFNaNbNiNfAyamZv[_D4core8internal7switch___T14__switch_errorZQrFNaNbNiNfAyamZv]+0x19): undefined reference to `_D4core9exception__T15__switch_errorTZQsFNaNbNiNeAyamZv'
> collect2: error: ld returned 1 exit status
> Error: linker exited with status 1
> ```

Use ``-allinst``, that is a template emission bug.