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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/boost/libs/hof/example/pointfree.cpp | |
parent | Initial commit. (diff) | |
download | ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.tar.xz ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/boost/libs/hof/example/pointfree.cpp')
-rw-r--r-- | src/boost/libs/hof/example/pointfree.cpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/boost/libs/hof/example/pointfree.cpp b/src/boost/libs/hof/example/pointfree.cpp new file mode 100644 index 000000000..6aa136479 --- /dev/null +++ b/src/boost/libs/hof/example/pointfree.cpp @@ -0,0 +1,33 @@ +/*============================================================================= + Copyright (c) 2017 Paul Fultz II + pointfree.cpp + Distributed under the Boost Software License, Version 1.0. (See accompanying + file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +==============================================================================*/ +/*============================================================================= + Copyright (c) 2016 Paul Fultz II + pointfree.cpp + Distributed under the Boost Software License, Version 1.0. (See accompanying + file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +==============================================================================*/ + +#include "example.h" + +using namespace boost::hof; + +BOOST_HOF_STATIC_FUNCTION(simple_print) = BOOST_HOF_LIFT(std::ref(std::cout) << _); +BOOST_HOF_STATIC_FUNCTION(print) = proj(simple_print); +BOOST_HOF_STATIC_FUNCTION(print_lines) = proj(flow(simple_print, _ << std::integral_constant<char, '\n'>{})); +BOOST_HOF_STATIC_FUNCTION(max) = fold(BOOST_HOF_LIFT(std::max)); + +int main() +{ + simple_print("Hello\n"); + print("Hello", "World\n"); + print_lines("Hello", "World"); + + auto n = max(1, 2, 4, 3); // Returns 4 + auto m = max(0.1, 0.2, 0.5, 0.4); // Returns 0.5 + + print_lines(n, m); +} |