summaryrefslogtreecommitdiffstats
path: root/src/boost/libs/hana/example/string/iterable.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/boost/libs/hana/example/string/iterable.cpp')
-rw-r--r--src/boost/libs/hana/example/string/iterable.cpp26
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")
+ );
+}