summaryrefslogtreecommitdiff
path: root/src/utils/is_one_of.hpp
diff options
context:
space:
mode:
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
new file mode 100644
index 0000000..4d6770e
--- /dev/null
+++ b/src/utils/is_one_of.hpp
@@ -0,0 +1,17 @@
+#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;