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authorlouiz’ <louiz@louiz.org>2017-10-04 21:28:18 +0200
committerlouiz’ <louiz@louiz.org>2017-12-02 20:08:47 +0100
commit0168b96b79db2627fdba77a8712956408aa081d1 (patch)
tree5591527ed8a04be8ea04c49521d9e9c868677bd1 /src/utils/is_one_of.hpp
parent5b27cee97272d4ae6ff30f03dc57221fa3e3183f (diff)
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Add postgresql support
Diffstat (limited to 'src/utils/is_one_of.hpp')
-rw-r--r--src/utils/is_one_of.hpp17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/utils/is_one_of.hpp b/src/utils/is_one_of.hpp
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+#pragma once
+
+#include <type_traits>
+
+template <typename...>
+struct is_one_of_implem {
+ static constexpr bool value = false;
+};
+
+template <typename F, typename S, typename... T>
+struct is_one_of_implem<F, S, T...> {
+ static constexpr bool 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;