Why exceptions for error handling is so important

[Adam D. Ruppe via Digitalmars-d]

On Monday, 12 January 2015 at 17:57:10 UTC, H. S. Teoh via 
Digitalmars-d wrote:
> Still, #9584 had some discussions about doing lazy stack trace
> construction, which was costing most of the time, but I don't 
> remember if that was actually implemented.

Yea, it was (I did it myself for posix, someone else did it on 
Windows), led to gigantic speed boosts, unless you are printing 
the trace, of course, when it has to be generated.