digitalmars.D.bugs - [Issue 18617] New: need __traits(deprecated, expr) to check whether
- d-bugmail puremagic.com (27/27) Mar 15 2018 https://issues.dlang.org/show_bug.cgi?id=18617
https://issues.dlang.org/show_bug.cgi?id=18617 Issue ID: 18617 Summary: need __traits(deprecated, expr) to check whether an expression would trigger deprecation Product: D Version: D2 Hardware: x86 OS: Mac OS X Status: NEW Severity: enhancement Priority: P1 Component: dmd Assignee: nobody puremagic.com Reporter: timothee.cour2 gmail.com we need __traits(deprecated, expr) to check whether an expression would trigger deprecation this is analog to __traits(compiles, expr) but checks for deprecation instead of whether something compiles. eg use case (from https://github.com/dlang/phobos/pull/6178#pullrequestreview-104095990) ``` static assert(__traits(deprecated, {int[] a2 = [1, 2].asStatic;})); instead of simply having a comment: // NOTE: correctly issues a deprecation // int[] a2 = [1, 2].asStatic; ``` --
Mar 15 2018