Re: [Boost-users] boost::lambda to replace a for loop

From: Niko Vuokko (niko.vuokko_at_[hidden])
Date: 2008-07-27 02:23:57

Meryl Silverburgh wrote:
> Hi,
> 
> Can you please tell me if there is an easy way to replace the
> following for loop using boost:lambda?
> 
> I have a vector of A, i want to call 'aMethod of each A, and stop it
> when one of them return true.
> 
>  for (vector<A*>::const_iterator iter = aList.begin() ; iter !=
> aList.end(); ++iter) {
> 
>       A* anA = (*iter);
> 
> // break out the for loop if aMethod return true;
>       if (anA->aMethod()){
> 	break;
>     }

How about trying

#include <boost/lambda/bind.hpp>
...
iter = find_if( aList.begin(), aList.end(), bind(&A::aMethod, *_1) );