27 lines
916 B
C++
27 lines
916 B
C++
// Copyright Louis Dionne 2013-2017
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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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#include <boost/hana/assert.hpp>
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#include <boost/hana/contains.hpp>
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#include <boost/hana/drop_while.hpp>
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#include <boost/hana/integral_constant.hpp>
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#include <boost/hana/is_empty.hpp>
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#include <boost/hana/string.hpp>
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namespace hana = boost::hana;
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int main() {
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BOOST_HANA_CONSTANT_CHECK(!hana::is_empty(BOOST_HANA_STRING("abcd")));
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BOOST_HANA_CONSTANT_CHECK(hana::is_empty(BOOST_HANA_STRING("")));
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BOOST_HANA_CONSTANT_CHECK(BOOST_HANA_STRING("abcd")[hana::size_c<2>] == hana::char_c<'c'>);
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auto is_vowel = [](auto c) {
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return c ^hana::in^ BOOST_HANA_STRING("aeiouy");
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};
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BOOST_HANA_CONSTANT_CHECK(
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hana::drop_while(BOOST_HANA_STRING("aioubcd"), is_vowel) == BOOST_HANA_STRING("bcd")
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);
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}
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