required.hpp

// Copyright Take Vos 2019-2021.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
 
#pragma once
 
#include <cstddef>
#include <string>
#include <chrono>
 
namespace tt {
 
#ifndef ttlet
#define ttlet auto const
#endif
 
using ssize_t = std::ptrdiff_t;
 
#define ssizeof(x) (static_cast<ssize_t>(sizeof(x)))
 
constexpr size_t operator"" _uz(unsigned long long lhs) noexcept
{
    return static_cast<size_t>(lhs);
}
 
constexpr size_t operator"" _zu(unsigned long long lhs) noexcept
{
    return static_cast<size_t>(lhs);
}
 
constexpr ssize_t operator"" _z(unsigned long long lhs) noexcept
{
    return static_cast<ssize_t>(lhs);
}
 
#define tt_return_on_self_assignment(other)\
    if (&(other) == this) [[unlikely]] return *this;
 
} // namespace tt