1 // RUN: %clang_cc1 -fsyntax-only -std=c++1z -verify %s 2 3 struct [[nodiscard]] S1 {}; // ok 4 struct [[nodiscard nodiscard]] S2 {}; // expected-error {{attribute 'nodiscard' cannot appear multiple times in an attribute specifier}} 5 struct [[nodiscard("Wrong")]] S3 {}; // expected-error {{'nodiscard' cannot have an argument list}} 6 7 [[nodiscard]] int f(); 8 enum [[nodiscard]] E {}; 9 10 namespace [[nodiscard]] N {} // expected-warning {{'nodiscard' attribute only applies to functions, methods, enums, and classes}} 11