digitalmars.D.bugs - [Issue 24021] New: Issue a warning on assert with side effects
- d-bugmail puremagic.com (32/32) Jun 28 2023 https://issues.dlang.org/show_bug.cgi?id=24021
https://issues.dlang.org/show_bug.cgi?id=24021 Issue ID: 24021 Summary: Issue a warning on assert with side effects Product: D Version: D2 Hardware: All OS: All Status: NEW Severity: enhancement Priority: P1 Component: dmd Assignee: nobody puremagic.com Reporter: grimmaple95 gmail.com Consider this code: ``` bool fn(out int a) { a = 10; return true; } void main() { int a; assert(fn(a)); writeln(a); } ``` This code will behave differently in Release and Debug builds. I suggest issuing a warning for the user, when caling functions with side-effects inside an assertion. I'm aware of 6074, and I'm not talking about changing how asserts work, but it would be great to have a warning about this. --
Jun 28 2023