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// Copyright (c) 2023, QuantStack and Mamba Contributors
//
// Distributed under the terms of the BSD 3-Clause License.
//
// The full license is in the file LICENSE, distributed with this software.
#ifndef MAMBA_UTIL_FUNCTIONAL_HPP
#define MAMBA_UTIL_FUNCTIONAL_HPP
#include <utility>
#include "mamba/util/deprecation.hpp"
namespace mamba::util
{
MAMBA_DEPRECATED_CXX20 struct identity
{
template <typename T>
constexpr auto operator()(T&& t) const noexcept -> T&&;
};
/********************************
* Implementation of identity *
********************************/
template <typename T>
constexpr auto identity::operator()(T&& t) const noexcept -> T&&
{
return std::forward<T>(t);
}
}
#endif