digitalmars.D.bugs - [Issue 12491] New: [AA] Disallow non-`immutable` types as associative array keys
- d-bugmail puremagic.com (25/25) Mar 30 2014 https://d.puremagic.com/issues...
https://d.puremagic.com/issues/show_bug.cgi?id=12491 Summary: [AA] Disallow non-`immutable` types as associative array keys Product: D Version: D2 Platform: All OS/Version: All Status: NEW Severity: enhancement Priority: P2 Component: DMD AssignedTo: nobody puremagic.com ReportedBy: verylonglogin.reg gmail.com --- Comment #0 from Denis Shelomovskij <verylonglogin.reg gmail.com> 2014-03-30 12:18:35 MSK --- Currently associative arrays are implemented with an assumption its keys hash will not change. The only way to enforce it is to disallow non-`immutable` (more correct not implicitly convertible to `immutable`) types as associative array keys. E.g. `int` and `string` keys will still work, `const(char)` will not. This will cause a massive code breakage when e.g. mutable classes are used as keys. Note such uses are potentially error-prone and incorrect but looks like we have already inclined a lot of D users with such pattern. -- Configure issuemail: https://d.puremagic.com/issues/userprefs.cgi?tab=email ------- You are receiving this mail because: -------
Mar 30 2014