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#pragma once
#include <fmt/core.h>
#include <fmt/compile.h>
#ifndef _MSC_VER
namespace floormat::detail::fmt {
template<std::size_t N>
struct fmt_string final {
static constexpr std::size_t size = N;
char data[N];
template <std::size_t... Is>
consteval fmt_string(const char (&arr)[N]) noexcept {
for (std::size_t i = 0; i < N; i++)
data[i] = arr[i];
}
};
} // namespace floormat::detail::fmt
#endif
namespace floormat {
#ifndef _MSC_VER
template<::floormat::detail::fmt::fmt_string s>
consteval auto operator""_cf() noexcept
{
return FMT_COMPILE(s.data);
}
#else
using namespace fmt::literals;
#endif
template<std::size_t N, typename Fmt, typename... Xs>
std::size_t snformat(char(&buf)[N], Fmt&& fmt, Xs&&... args)
{
constexpr std::size_t n = N > 0 ? N - 1 : 0;
auto result = fmt::format_to_n(buf, n, std::forward<Fmt>(fmt), std::forward<Xs>(args)...);
const auto len = std::min(n, result.size);
if constexpr(N > 0)
buf[len] = '\0';
return len;
}
} // namespace floormat
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