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Bug 4163 – if(bool = bool) results in ill-worded error

Status: RESOLVED
Resolution: DUPLICATE
Severity: enhancement
Priority: P2
Component: dmd
Product: D
Version: D2
Platform: x86
OS: All
Creation time: 2010-05-07T10:42:00Z
Last change time: 2014-02-15T02:45:47Z
Assigned to: nobody
Creator: schveiguy

Comments

Comment #0 by schveiguy — 2010-05-07T10:42:33Z

The following code: bool x, y; if(x = y) {} results in the following error: Error: '=' does not give a boolean result Which is clearly not a correct message. A better message would be something like: Error: '=' cannot be used inside an if condition

Comment #1 by bearophile_hugs — 2010-05-08T04:42:46Z

Be careful with the wording, because this is allowed in D: if(bool c = !b) Writing a compiler requires literary expression skills :-) A possible error message, that looks too much complex: Error: if(x = y) is now allowed, use if(T x = y) or if((x = y) == z).

Comment #2 by yebblies — 2011-06-13T09:01:42Z

*** This issue has been marked as a duplicate of issue 2532 ***