convert.hpp

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// -----------------------------------------------------------------------------------------------------
// Copyright (c) 2006-2019, Knut Reinert & Freie Universität Berlin
// Copyright (c) 2016-2019, Knut Reinert & MPI für molekulare Genetik
// This file may be used, modified and/or redistributed under the terms of the 3-clause BSD-License
// shipped with this file and also available at: https://github.com/seqan/seqan3/blob/master/LICENSE.md
// -----------------------------------------------------------------------------------------------------

#pragma once

#include <seqan3/core/concept/core_language.hpp>
#include <seqan3/std/concepts>
#include <seqan3/std/ranges>

namespace seqan3::view
{

template <typename out_t>
auto const convert = std::view::transform([] (auto const & in) -> out_t
{
    if constexpr (ImplicitlyConvertibleTo<std::remove_reference_t<decltype(in)>, out_t>)
        return in;
    else
        return static_cast<out_t>(in);
});


} // namespace seqan3::view