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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/callable_traits/example/is_invocable.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/callable_traits/example/is_invocable.cpp')
-rw-r--r-- | src/boost/libs/callable_traits/example/is_invocable.cpp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/boost/libs/callable_traits/example/is_invocable.cpp b/src/boost/libs/callable_traits/example/is_invocable.cpp new file mode 100644 index 000000000..a374de01f --- /dev/null +++ b/src/boost/libs/callable_traits/example/is_invocable.cpp @@ -0,0 +1,24 @@ +/*<- +Copyright (c) 2016 Barrett Adair + +Distributed under the Boost Software License, Version 1.0. +(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) +->*/ + +//[ is_invocable +#include <type_traits> +#include <boost/callable_traits/is_invocable.hpp> + +namespace ct = boost::callable_traits; + +struct foo { + template<typename T> + typename std::enable_if<std::is_integral<T>::value>::type + operator()(T){} +}; + +static_assert(ct::is_invocable<foo, int>::value, ""); +static_assert(!ct::is_invocable<foo, double>::value, ""); + +int main() {} +//] |