diff options
| author | Stanislaw Halik <sthalik@misaki.pl> | 2022-10-21 19:12:36 +0200 |
|---|---|---|
| committer | Stanislaw Halik <sthalik@misaki.pl> | 2022-10-21 19:12:36 +0200 |
| commit | 376dccfc3d4f1ae6d2a4b8d5a93e55bcd5482f52 (patch) | |
| tree | 148da4965ab1bb26dfe34ac44d79e7b2571bdab3 /compat | |
| parent | 387ab8e946398c29bd462041689e9da4152ec52b (diff) | |
literal size type nonsense
Diffstat (limited to 'compat')
| -rw-r--r-- | compat/literal-size-type.hpp | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/compat/literal-size-type.hpp b/compat/literal-size-type.hpp index 1eef90d3..a9034031 100644 --- a/compat/literal-size-type.hpp +++ b/compat/literal-size-type.hpp @@ -1,20 +1,26 @@ #pragma once +#if !(defined __cpp_size_t_suffix && __cpp_size_t_suffix >= 202006L) #include <cstddef> +#include <type_traits> +#include <cstdlib> +#include <limits> namespace floormat { #ifdef __clang__ #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wuser-defined-literals" +#pragma clang diagnostic ignored "-Wtautological-type-limit-compare" #elif defined _MSC_VER #pragma warning(push) #pragma warning(disable : 4455) #endif -constexpr std::size_t operator"" z(unsigned long long int x) noexcept -{ - return std::size_t(x); -} +[[maybe_unused]] constexpr std::size_t operator"" zu(unsigned long long int x) noexcept { if constexpr (sizeof(decltype(x)) > sizeof(std::size_t)) if (x > std::numeric_limits<std::size_t>::max()) std::abort(); return std::size_t(x); } +[[maybe_unused]] constexpr std::size_t operator"" ZU(unsigned long long int x) noexcept { if constexpr (sizeof(decltype(x)) > sizeof(std::size_t)) if (x > std::numeric_limits<std::size_t>::max()) std::abort(); return std::size_t(x); } + +[[maybe_unused]] constexpr auto operator"" z(unsigned long long int x) noexcept { if constexpr (sizeof(decltype(x)) >= sizeof(std::size_t)) if (x > (std::size_t)std::numeric_limits<std::make_signed_t<std::size_t>>::max()) std::abort(); return std::make_signed_t<std::size_t>(x); } +[[maybe_unused]] constexpr auto operator"" Z(unsigned long long int x) noexcept { if constexpr (sizeof(decltype(x)) >= sizeof(std::size_t)) if (x > (std::size_t)std::numeric_limits<std::make_signed_t<std::size_t>>::max()) std::abort(); return std::make_signed_t<std::size_t>(x); } #ifdef __clang__ #pragma clang diagnostic pop @@ -23,3 +29,4 @@ constexpr std::size_t operator"" z(unsigned long long int x) noexcept #endif } // namespace floormat +#endif |