EuropaTools/include/europa/util/FixedString.h

41 lines
762 B
C++

//
// SSX 3 Lobby Server
//
// (C) 2021-2022 modeco80 <lily.modeco80@protonmail.ch>
//
// This file is licensed under the GNU General Public License Version 3.
// Text is provided in LICENSE.
//
#ifndef EUROPA_UTIL_FIXEDSTRING_H
#define EUROPA_UTIL_FIXEDSTRING_H
#include <cstdint>
namespace europa::util {
template<std::size_t N>
struct FixedString {
char buf[N + 1]{};
constexpr FixedString(const char* s) { // NOLINT
for (unsigned i = 0; i != N; ++i)
buf[i] = s[i];
}
constexpr operator const char*() const { // NOLINT
return buf;
}
[[nodiscard]] constexpr std::size_t Length() const {
return N;
}
};
template<std::size_t N>
FixedString(char const (&)[N]) -> FixedString<N - 1>;
}
#endif // EUROPA_UTIL_FIXEDSTRING_H