Subject: Re: [boost] Boost.Algorithm design question
From: Vicente Botet (vicente.botet_at_[hidden])
Date: 2011-10-06 07:29:58
Marshall Clow-2 wrote:
>
> So, what do people prefer (and why?):
>
> template<typename InputIterator, typename V>
> bool none_of_equal ( InputIterator first, InputIterator last, V const &val
> )
> {
> for ( ; first != last; ++first )
> if ( val == *first )
> return false;
> return true;
> }
>
> or
>
> template<typename InputIterator, >
> bool none_of_equal ( InputIterator first, InputIterator last,
> iterator_traits<InputIterator>::value_type const &val )
> {
> for ( ; first != last; ++first )
> if ( val == *first )
> return false;
> return true;
> }
>
> In the first case, I think there's (possible) conversion from V to
> iterator_traits<InputIterator>::value_type each time through the loop.
> In the second case, there is not.
>
>
Couldn't you provide both using SFINAE?
Best,
Vicente
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