vibe.d & exception performance

[Jakob Ovrum]

On Sunday, 9 February 2014 at 11:31:12 UTC, Daniel Murphy wrote:
> void index(HTTPServerRequest req, HTTPServerResponse res)
> {
>     static const exc = new
> HTTPStatusException(HTTPStatus.NotFound);
>     throw exc;
> }
>
> exc is created at compile time and put the tls init data.  No 
> gc heap activity is ever involved in creating it.

It's actually put in global storage, not TLS, as of last I 
checked (as of the original pull by Igor). It's the reason 
mutable instances are currently disallowed.