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tinympl
0.2
mini MPL library for C++11
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Counts the number of elements which satisfy a given predicate. More...
#include <tinympl/count_if.hpp>
Counts the number of elements which satisfy a given predicate.
| Sequence | The input sequence |
| F | The predicate - F<T>::type::value shall be convertible to bool |
count_if<...>::type is std::integral_constant<std::size_t,V> where V is the number of elements in the sequence which satisfy the predicate F.