DIP 1008 Preliminary Review Round 1

[Jack Stouffer via Digitalmars-d]

On Monday, 22 May 2017 at 12:00:30 UTC, Nick Treleaven wrote:
> //FIXME: uniqueToString should return @nogc UniquePtr!(const 
> char[])
> import std.conv;
> alias uniqueToString = to!(const char[]);
>
> class MessageEx(E, sinkArgs...) : E
> {
>     this(A...)(A args)
>     {
>         super(args);
>     }
>
>     //FIXME: delegate not @nogc
>     /*@nogc*/ override void toString(scope void delegate(in 
> char[]) sink) const
>     {
>         foreach (a; sinkArgs)
>             sink(uniqueToString(a));
>     }
> }
>
> unittest
> {
>     auto x = 7;
>     throw new MessageEx!(Exception, "x = ", x)(null);
> }
>
> The result of uniqueToString would free any memory allocated 
> after the call to sink.

Heh, I actually ran into this problem earlier today and just saw 
this post https://issues.dlang.org/show_bug.cgi?id=17420

Weird coincidence.