| // RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -verify |
| // RUN: %clang_cc1 -fsyntax-only -std=c++1z %s -verify |
| |
| void test_conversion() { |
| int (*fp1)(int) = [](int x) { return x + 1; }; |
| void (*fp2)(int) = [](int x) { }; |
| |
| const auto lambda = [](int x) { }; |
| void (*fp3)(int) = lambda; |
| |
| volatile const auto lambda2 = [](int x) { }; // expected-note{{but method is not marked volatile}} |
| void (*fp4)(int) = lambda2; // expected-error{{no viable conversion}} |
| |
| void (*fp5)(int) noexcept = [](int x) { }; |
| #if __cplusplus > 201402L |
| // expected-error@-2 {{no viable}} expected-note@-2 {{candidate}} |
| void (*fp5a)(int) noexcept = [](auto x) { }; |
| // expected-error@-1 {{no viable}} expected-note@-1 {{candidate}} |
| void (*fp5b)(int) noexcept = [](auto x) noexcept { }; |
| #endif |
| void (*fp6)(int) noexcept = [](int x) noexcept { }; |
| } |
| |
| void test_no_conversion() { |
| int (*fp1)(int) = [=](int x) { return x + 1; }; // expected-error{{no viable conversion}} |
| void (*fp2)(int) = [&](int x) { }; // expected-error{{no viable conversion}} |
| } |
| |
| void test_wonky() { |
| const auto l = [](int x) mutable -> int { return + 1; }; |
| l(17); // okay: uses conversion function |
| } |