| 1 | // RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s -triple=x86_64-linux-gnu |
|---|
| 2 | |
|---|
| 3 | using size_t = decltype(sizeof(int)); |
|---|
| 4 | namespace std { |
|---|
| 5 | struct string {}; |
|---|
| 6 | } |
|---|
| 7 | |
|---|
| 8 | template<typename T, typename U> struct same_type; |
|---|
| 9 | template<typename T> struct same_type<T, T> {}; |
|---|
| 10 | |
|---|
| 11 | namespace std_example { |
|---|
| 12 | |
|---|
| 13 | long double operator "" _w(long double); |
|---|
| 14 | std::string operator "" _w(const char16_t*, size_t); |
|---|
| 15 | unsigned operator "" _w(const char*); |
|---|
| 16 | int main() { |
|---|
| 17 | auto v1 = 1.2_w; // calls operator""_w(1.2L) |
|---|
| 18 | auto v2 = u"one"_w; // calls operator""_w(u"one", 3) |
|---|
| 19 | auto v3 = 12_w; // calls operator""_w("12") |
|---|
| 20 | "two"_w; // expected-error {{no matching literal operator for call to 'operator""_w' with arguments of types 'const char *' and 'unsigned long'}} |
|---|
| 21 | |
|---|
| 22 | same_type<decltype(v1), long double> test1; |
|---|
| 23 | same_type<decltype(v2), std::string> test2; |
|---|
| 24 | same_type<decltype(v3), unsigned> test3; |
|---|
| 25 | } |
|---|
| 26 | |
|---|
| 27 | } |
|---|
| 28 | |
|---|