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libcxx_old/test/utilities/meta/meta.trans/meta.trans.ref/add_lvalue_ref.pass.cpp

32 lines
944 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.
//
//===----------------------------------------------------------------------===//
// type_traits
// add_lvalue_reference
#include <type_traits>
template <class T, class U>
void test_add_lvalue_reference()
{
static_assert((std::is_same<typename std::add_lvalue_reference<T>::type, U>::value), "");
}
int main()
{
test_add_lvalue_reference<void, void>();
test_add_lvalue_reference<int, int&>();
test_add_lvalue_reference<int[3], int(&)[3]>();
test_add_lvalue_reference<int&, int&>();
test_add_lvalue_reference<const int&, const int&>();
test_add_lvalue_reference<int*, int*&>();
test_add_lvalue_reference<const int*, const int*&>();
}