diff options
Diffstat (limited to 'libcxx/test/std/utilities/function.objects/refwrap/refwrap.helpers/cref_2.pass.cpp')
-rw-r--r-- | libcxx/test/std/utilities/function.objects/refwrap/refwrap.helpers/cref_2.pass.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/libcxx/test/std/utilities/function.objects/refwrap/refwrap.helpers/cref_2.pass.cpp b/libcxx/test/std/utilities/function.objects/refwrap/refwrap.helpers/cref_2.pass.cpp new file mode 100644 index 00000000000..75875264479 --- /dev/null +++ b/libcxx/test/std/utilities/function.objects/refwrap/refwrap.helpers/cref_2.pass.cpp @@ -0,0 +1,25 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <functional> + +// reference_wrapper + +// template <ObjectType T> reference_wrapper<const T> cref(reference_wrapper<T> t); + +#include <functional> +#include <cassert> + +int main() +{ + const int i = 0; + std::reference_wrapper<const int> r1 = std::cref(i); + std::reference_wrapper<const int> r2 = std::cref(r1); + assert(&r2.get() == &i); +} |