a90c6dd460
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8
46 lines
920 B
C++
46 lines
920 B
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <system_error>
|
|
|
|
// class error_code
|
|
|
|
// template <ErrorCodeEnum E> error_code& operator=(E e);
|
|
|
|
#include <system_error>
|
|
#include <cassert>
|
|
|
|
enum testing
|
|
{
|
|
zero, one, two
|
|
};
|
|
|
|
namespace std
|
|
{
|
|
|
|
template <> struct is_error_code_enum<testing> : public std::true_type {};
|
|
|
|
}
|
|
|
|
std::error_code
|
|
make_error_code(testing x)
|
|
{
|
|
return std::error_code(static_cast<int>(x), std::generic_category());
|
|
}
|
|
|
|
int main()
|
|
{
|
|
{
|
|
std::error_code ec;
|
|
ec = two;
|
|
assert(ec.value() == 2);
|
|
assert(ec.category() == std::generic_category());
|
|
}
|
|
}
|