Re: [boost] [optional] problems with swap()

From: Peter Dimov (pdimov_at_[hidden])
Date: 2008-04-12 12:03:25

Frank Mori Hess:

> Maybe it was just my compiler, but I've had problems in the past with 
> member swap functions breaking ADL for swap used inside the class.  IIRC, 
> it would find the member swap function and stop there, never doing ADL.

This is standard-conforming. You've forgotten the using std::swap 
declaration which reenables ADL by making a nonmember visible in the current 
scope.