Re: [boost] Cast free NULLs in algorithms

From: Lewis Hyatt (lhyatt_at_[hidden])
Date: 2007-08-01 13:04:06

> On a slightly off-topic but perhaps more interesting note, what's the
> rationale for having a separate template parameter for the type of the
> initializing element?  If it used the iterator's value_type (or a
> reference thereto) then this thread wouldn't be happening.

I think it's because std::iterator_traits didn't exist when the STL was 
first designed. It's similar with accumulate(), you have to pass in the 
starting value so it can grab the type.

-Lewis