libcruft-util/coord/iostream.hpp

36 lines
874 B
C++

/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* Copyright 2016-2019 Danny Robson <danny@nerdcruft.net>
*/
#pragma once
#include "./traits.hpp"
#include "../iterator/infix.hpp"
#include <cstddef>
#include <ostream>
#include <algorithm>
namespace cruft {
template <
typename K,
typename = std::enable_if_t<is_coord_v<K>,void>
>
std::ostream&
operator<< (std::ostream &os, const K &k)
{
os << "[";
std::transform (std::cbegin (k),
std::cend (k),
iterator::infix_iterator<typename K::value_type> (os, ", "),
[] (auto i) { return +i; });
os << "]";
return os;
}
}