From: Stéphane Bronsart [mailto:stephane.bronsart@bea.be]
> z = lexical_cast<short>("1000"); // throw 3 (Why ? if example above don't throw ?)
> Under dbg, the copy_of_arg and arg are show the same, but the test if( copy_of_arg != arg ) fail
> !!!  Why ?

Because you're not comparing strings, like in the example above. You're comparing (different) pointers, not values.

Bjorn