digitalmars.D.bugs - [Issue 19917] New: unions should require that all members are `=
- d-bugmail puremagic.com (33/33) May 28 2019 https://issues.dlang.org/show_bug.cgi?id=19917
https://issues.dlang.org/show_bug.cgi?id=19917 Issue ID: 19917 Summary: unions should require that all members are `= void` initialised Product: D Version: D2 Hardware: All OS: All Status: NEW Severity: enhancement Priority: P1 Component: dmd Assignee: nobody puremagic.com Reporter: turkeyman gmail.com Unions should require that all members are `= void` initialised. Perhaps allow just one union member to omit the `= void` initialisation... but zero would also be fine. It's not possible that 2 or more members express initialisation intent, and it should be a compile error. struct S { union { int x; float y; // COMPILE ERROR, 'x' already initialised! } union { int z; float w = void; // <- this is fine } } --
May 28 2019