libcarla/include/system/boost/beast/_experimental/unit_test/amount.hpp
2024-10-18 13:19:59 +08:00

60 lines
1.2 KiB
C++

//
// Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// Official repository: https://github.com/boostorg/beast
//
#ifndef BOOST_BEAST_UNIT_TEST_AMOUNT_HPP
#define BOOST_BEAST_UNIT_TEST_AMOUNT_HPP
#include <cstddef>
#include <ostream>
#include <string>
namespace boost {
namespace beast {
namespace unit_test {
/** Utility for producing nicely composed output of amounts with units. */
class amount
{
private:
std::size_t n_;
std::string const& what_;
public:
amount(amount const&) = default;
amount& operator=(amount const&) = delete;
template<class = void>
amount(std::size_t n, std::string const& what);
friend
std::ostream&
operator<<(std::ostream& s, amount const& t);
};
template<class>
amount::amount(std::size_t n, std::string const& what)
: n_(n)
, what_(what)
{
}
inline
std::ostream&
operator<<(std::ostream& s, amount const& t)
{
s << t.n_ << " " << t.what_ <<((t.n_ != 1) ? "s" : "");
return s;
}
} // unit_test
} // beast
} // boost
#endif