| // RUN: %clang_cc1 -std=c++20 -Wno-unused-value -fsyntax-only -verify %s |
| |
| namespace misplaced_capture_default { |
| void Test() { |
| int i = 0; |
| [&, i, &] {}; // expected-error {{expected variable name or 'this' in lambda capture list}} |
| [&, i, = ] {}; // expected-error {{expected variable name or 'this' in lambda capture list}} |
| [=, &i, &] {}; // expected-error {{expected variable name or 'this' in lambda capture list}} |
| [=, &i, = ] {}; // expected-error {{expected variable name or 'this' in lambda capture list}} |
| |
| [i, &] {}; // expected-error {{capture default must be first}} |
| [i, = ] {}; // expected-error {{capture default must be first}} |
| [i, = x] {}; // expected-error {{expected variable name or 'this' in lambda capture list}} |
| [=, &i] {}; // ok |
| [&, &i] {}; // expected-error {{'&' cannot precede a capture when the capture default is '&'}} |
| [&x = i] {}; // ok |
| [=, &x = i] {}; // ok |
| [x = &i] {}; // ok |
| [=, &x = &i] {}; // expected-error {{non-const lvalue reference to type 'int *' cannot bind to a temporary of type 'int *'}} |
| [&, this] {}; // expected-error {{'this' cannot be captured in this context}} |
| |
| [i, &, x = 2] {}; // expected-error {{capture default must be first}} |
| [i, =, x = 2] {}; // expected-error {{capture default must be first}} |
| } |
| } // namespace misplaced_capture_default |
| |
| namespace misplaced_capture_default_pack { |
| template <typename... Args> void Test(Args... args) { |
| [&, args...] {}; // ok |
| [args..., &] {}; // expected-error {{capture default must be first}} |
| [=, &args...] {}; // ok |
| [&, ... xs = &args] {}; // ok |
| [&, ... xs = &] {}; // expected-error {{expected expression}} |
| [... xs = &] {}; // expected-error {{expected expression}} |
| [... xs = &args, = ] {}; // expected-error {{capture default must be first}} |
| [... xs = &args, &] {}; // expected-error {{capture default must be first}} |
| } |
| } // namespace misplaced_capture_default_pack |
