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Diffstat (limited to 'src/boost/libs/hana/example/string/iterable.cpp')
-rw-r--r-- | src/boost/libs/hana/example/string/iterable.cpp | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/boost/libs/hana/example/string/iterable.cpp b/src/boost/libs/hana/example/string/iterable.cpp new file mode 100644 index 000000000..af7a2f383 --- /dev/null +++ b/src/boost/libs/hana/example/string/iterable.cpp @@ -0,0 +1,26 @@ +// Copyright Louis Dionne 2013-2017 +// Distributed under the Boost Software License, Version 1.0. +// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) + +#include <boost/hana/assert.hpp> +#include <boost/hana/contains.hpp> +#include <boost/hana/drop_while.hpp> +#include <boost/hana/integral_constant.hpp> +#include <boost/hana/is_empty.hpp> +#include <boost/hana/string.hpp> +namespace hana = boost::hana; + + +int main() { + BOOST_HANA_CONSTANT_CHECK(!hana::is_empty(BOOST_HANA_STRING("abcd"))); + BOOST_HANA_CONSTANT_CHECK(hana::is_empty(BOOST_HANA_STRING(""))); + + BOOST_HANA_CONSTANT_CHECK(BOOST_HANA_STRING("abcd")[hana::size_c<2>] == hana::char_c<'c'>); + + auto is_vowel = [](auto c) { + return c ^hana::in^ BOOST_HANA_STRING("aeiouy"); + }; + BOOST_HANA_CONSTANT_CHECK( + hana::drop_while(BOOST_HANA_STRING("aioubcd"), is_vowel) == BOOST_HANA_STRING("bcd") + ); +} |