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add missing static_assert

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neargye 2020-06-06 14:01:17 +05:00
parent 963ee65e95
commit 97e6f35c46
1 changed files with 2 additions and 0 deletions
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include/magic_enum.hpp
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@ -222,6 +222,8 @@ inline constexpr auto name_v = n<E, V>();
template <typename E, auto V>
constexpr bool is_valid() noexcept {
static_assert(is_enum_v<E>, "magic_enum::detail::is_valid requires enum type.");
return n<E, static_cast<E>(V)>().size() != 0;
}