toString refactor in druntime

[via Digitalmars-d]

On Monday, 3 November 2014 at 15:42:57 UTC, Steven Schveighoffer 
wrote:
> At the moment, you are stuck with most toString calls 
> allocating on the GC every time they are called. I think the 
> virtual call thing should be a pleasant improvement :)

Note that delegates aren't virtual calls, but indirect calls. The 
former need 2 memory access, the latter none (or 3 vs. 1 if the 
delegate/object isn't yet in a register).