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29 lines
674 B
C++
29 lines
674 B
C++
/*
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@copyright Louis Dionne 2014
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
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*/
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#include <boost/hana/assert.hpp>
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#include <boost/hana/tuple.hpp>
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#include <sstream>
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#include <string>
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using namespace boost::hana;
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int main() {
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{
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//! [fmap]
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auto to_string = [](auto x) {
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return static_cast<std::ostringstream const&>(std::ostringstream{} << x).str();
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};
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BOOST_HANA_RUNTIME_CHECK(
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fmap(tuple(1, '2', "345", std::string{"67"}), to_string) ==
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tuple("1", "2", "345", "67")
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);
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//! [fmap]
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}
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}
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