#pragma once #include "yexception.h" #include <util/system/types.h> #include <limits> // Unsigned literals constexpr ui64 operator"" _KB(unsigned long long value) noexcept { return value * 1024; } constexpr ui64 operator"" _MB(unsigned long long value) noexcept { return value * 1024_KB; } constexpr ui64 operator"" _GB(unsigned long long value) noexcept { return value * 1024_MB; } constexpr ui64 operator"" _TB(unsigned long long value) noexcept { return value * 1024_GB; } constexpr ui64 operator"" _PB(unsigned long long value) noexcept { return value * 1024_TB; } constexpr ui64 operator"" _EB(unsigned long long value) noexcept { return value * 1024_PB; } // Signed literals namespace NPrivate { constexpr i64 SignedCast(ui64 value) { return value <= static_cast<ui64>(std::numeric_limits<i64>::max()) ? static_cast<i64>(value) : ythrow yexception() << "The resulting value " << value << " does not fit into the i64 type"; }; } constexpr i64 operator"" _KBs(const unsigned long long value) noexcept { return ::NPrivate::SignedCast(value * 1024); } constexpr i64 operator"" _MBs(unsigned long long value) noexcept { return ::NPrivate::SignedCast(value * 1024_KB); } constexpr i64 operator"" _GBs(unsigned long long value) noexcept { return ::NPrivate::SignedCast(value * 1024_MB); } constexpr i64 operator"" _TBs(unsigned long long value) noexcept { return ::NPrivate::SignedCast(value * 1024_GB); } constexpr i64 operator"" _PBs(unsigned long long value) noexcept { return ::NPrivate::SignedCast(value * 1024_TB); } constexpr i64 operator"" _EBs(unsigned long long value) noexcept { return ::NPrivate::SignedCast(value * 1024_PB); }