https://issues.dlang.org/show_bug.cgi?id=21377
Issue ID: 21377 Summary: Unclear error message "delegate __lambda cannot be struct members" Product: D Version: D2 Hardware: x86_64 OS: Windows Status: NEW Severity: normal Priority: P1 Component: dmd Assignee: nob...@puremagic.com Reporter: bradley.cha...@gmail.com The following code produces an error (possible bug?) with a very confusing and unclear message: struct S { bool delegate(string) f; } @S(str => true) // VALID int a; S s = S(str => true); // VALID struct S2 { @S(str => false) // INVALID int a; } // Error: delegate onlineapp.S2.__lambda2 cannot be struct members --