tinympl  0.2
mini MPL library for C++11
count.hpp
1 // Copyright (C) 2013, Ennio Barbaro.
2 //
3 // Use, modification, and distribution is subject to the Boost Software
4 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
5 // http://www.boost.org/LICENSE_1_0.txt)
6 //
7 // See http://sbabbi.github.io/tinympl for documentation.
8 //
9 // You are welcome to contact the author at:
10 // enniobarbaro@gmail.com
11 //
12 
13 #ifndef TINYMPL_VARIADIC_COUNT_HPP
14 #define TINYMPL_VARIADIC_COUNT_HPP
15 
16 #include <tinympl/variadic/count_if.hpp>
17 #include <tinympl/bind.hpp>
18 #include <tinympl/equal_to.hpp>
19 
20 namespace tinympl {
21 namespace variadic {
22 
35 template<typename T, class ... Args>
36 struct count : count_if< bind<equal_to, arg1, T>::template eval_t, Args ... >
37 {};
38 
39 
40 } // namespace variadic
41 } // namespace tinympl
42 
43 #endif // TINYMPL_VARIADIC_COUNT_HPP
Counts the number of elements in a sequence equal to a given one.
Definition: count.hpp:36
Counts the number of elements which satisfy a given predicate.
Definition: count_if.hpp:33