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/// \file
// Range v3 library
//
// Copyright Eric Niebler 2014-present
//
// Use, modification and distribution is subject to 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)
//
// Project home: https://github.com/ericniebler/range-v3
//
#ifndef RANGES_V3_ALGORITHM_REPLACE_HPP
#define RANGES_V3_ALGORITHM_REPLACE_HPP
#include <meta/meta.hpp>
#include <range/v3/range_fwd.hpp>
#include <range/v3/functional/identity.hpp>
#include <range/v3/functional/invoke.hpp>
#include <range/v3/iterator/concepts.hpp>
#include <range/v3/iterator/traits.hpp>
#include <range/v3/range/access.hpp>
#include <range/v3/range/concepts.hpp>
#include <range/v3/range/dangling.hpp>
#include <range/v3/range/traits.hpp>
#include <range/v3/utility/static_const.hpp>
#include <range/v3/detail/prologue.hpp>
namespace ranges
{
/// \addtogroup group-algorithms
/// @{
RANGES_FUNC_BEGIN(replace)
/// \brief function template \c replace
template(typename I, typename S, typename T1, typename T2, typename P = identity)(
requires input_iterator<I> AND sentinel_for<S, I> AND
indirectly_writable<I, T2 const &> AND
indirect_relation<equal_to, projected<I, P>, T1 const *>)
constexpr I RANGES_FUNC(replace)(
I first, S last, T1 const & old_value, T2 const & new_value, P proj = {}) //
{
for(; first != last; ++first)
if(invoke(proj, *first) == old_value)
*first = new_value;
return first;
}
/// \overload
template(typename Rng, typename T1, typename T2, typename P = identity)(
requires input_range<Rng> AND
indirectly_writable<iterator_t<Rng>, T2 const &> AND
indirect_relation<equal_to, projected<iterator_t<Rng>, P>, T1 const *>)
constexpr borrowed_iterator_t<Rng> RANGES_FUNC(replace)(
Rng && rng, T1 const & old_value, T2 const & new_value, P proj = {}) //
{
return (*this)(begin(rng), end(rng), old_value, new_value, std::move(proj));
}
RANGES_FUNC_END(replace)
namespace cpp20
{
using ranges::replace;
}
/// @}
} // namespace ranges
#include <range/v3/detail/epilogue.hpp>
#endif
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