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authorlouiz’ <louiz@louiz.org>2018-01-25 02:17:20 +0100
committerlouiz’ <louiz@louiz.org>2018-01-25 02:22:19 +0100
commite267512ad40c073bd5a5b37a4ee3378c80b9f523 (patch)
treeb33a90ad14ba701984a434543225a3f08c01cf6a /src/utils
parent3f8513726512308b1b48d3370d7acf0f63752725 (diff)
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Restore the is_one_of variable template
Diffstat (limited to 'src/utils')
-rw-r--r--src/utils/is_one_of.hpp9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/utils/is_one_of.hpp b/src/utils/is_one_of.hpp
index c706421..4d6770e 100644
--- a/src/utils/is_one_of.hpp
+++ b/src/utils/is_one_of.hpp
@@ -3,12 +3,15 @@
#include <type_traits>
template <typename...>
-struct is_one_of {
+struct is_one_of_implem {
static constexpr bool value = false;
};
template <typename F, typename S, typename... T>
-struct is_one_of<F, S, T...> {
+struct is_one_of_implem<F, S, T...> {
static constexpr bool value =
- std::is_same<F, S>::value || is_one_of<F, T...>::value;
+ std::is_same<F, S>::value || is_one_of_implem<F, T...>::value;
};
+
+template<typename... T>
+constexpr bool is_one_of = is_one_of_implem<T...>::value;