#pragma once #include namespace vcpkg { struct UInt128 { UInt128() = default; UInt128(uint64_t value) : bottom(value), top(0) {} UInt128& operator<<=(int by) noexcept; UInt128& operator>>=(int by) noexcept; UInt128& operator+=(uint64_t lhs) noexcept; uint64_t bottom_64_bits() const noexcept { return bottom; } uint64_t top_64_bits() const noexcept { return top; } private: uint64_t bottom; uint64_t top; }; }