/* TEST_OUTPUT: --- fail_compilation/issue16020.d(12): Error: user-defined attributes not allowed for `alias` declarations fail_compilation/issue16020.d(13): Error: semicolon expected to close `alias` declaration, not `(` fail_compilation/issue16020.d(13): Error: declaration expected, not `(` --- */ module issue16020; struct UDA{} alias Fun = @UDA void(); alias FunTemplate = void(T)(T t);