feedc0de/boost_mp11
1
0
Fork 0
forked from boostorg/mp11
Code Pull Requests Activity

Unroll cx_plus a bit.

Browse Source
This commit is contained in:
Peter Dimov
2017-03-23 19:22:42 +02:00
parent a2772da6d9
commit 72c9c49224
1 changed files with 6 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
include/boost/mp11/detail/mp_count.hpp
View File

@@ -36,6 +36,12 @@ template<class T1, class... T> constexpr std::size_t cx_plus(T1 t1, T... t)
return t1 + cx_plus(t...);
}
template<class T1, class T2, class T3, class T4, class T5, class T6, class T7, class T8, class T9, class T10, class... T>
constexpr std::size_t cx_plus(T1 t1, T2 t2, T3 t3, T4 t4, T5 t5, T6 t6, T7 t7, T8 t8, T9 t9, T10 t10, T... t)
{
return t1 + t2 + t3 + t4 + t5 + t6 + t7 + t8 + t9 + t10 + cx_plus(t...);
}
template<template<class...> class L, class... T, class V> struct mp_count_impl<L<T...>, V>
{
using type = mp_size_t<cx_plus(std::is_same<T, V>::value...)>;