libcruft-util/coord/iostream.hpp

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/*
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* 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/.
*
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* Copyright 2016-2017 Danny Robson <danny@nerdcruft.net>
*/
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#ifndef CRUFT_UTIL_IOSTREAM
#define CRUFT_UTIL_IOSTREAM
#include "./traits.hpp"
#include "../iterator.hpp"
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#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),
infix_iterator<typename K::value_type> (os, ", "),
[] (auto i) { return +i; });
os << "]";
return os;
}
}
#endif