[boost] Re: bad_numeric_cast is missing throw() specifier

From: Dave Abrahams (abrahams_at_[hidden])
Date: 1999-10-10 12:45:21

> Adam Levar wrote:
> The definition of bad_numeric_cast in cast.hpp is missing the no throw
> specifier on the what() method.
>
>      Yes, well spotted -- humans still seem to have the edge on compilers!
>
>      Thanks, Kevlin.

Think twice before putting empty exception-specifications on functions that
don't throw, then think again:

This will result in no compile-time checking
The run-time behavior is not advantageous
Few compilers can use it for optimization
Even among those that do, it will usually only result in a small reduction
in executable size
Many compilers will use it for pessimization, resulting in a large cost in
executable size and often, speed.

-Dave