[Issue 3855] New: Misleading error messages for return expression in void methods.

[d-bugmail]

http://d.puremagic.com/issues/show_bug.cgi?id=3855

           Summary: Misleading error messages for return expression in
                    void methods.
           Product: D
           Version: 1.056
          Platform: x86
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nob...@puremagic.com
        ReportedBy: s...@q1cc.net


--- Comment #0 from Markus Dangl <s...@q1cc.net> 2010-02-25 12:45:45 PST ---
dmd 1.056 gives a misleading error message on invalid code.
The error was not even reported in my previous version (1.045).

Consider the following invalid code:
class C {
    int i;
    void m() {
        return i;
    }
}

And output of "dmd main.d":
main.d(4): Error: dotvar has no effect in expression (this.i)

The error message could be much clearer about not being able to return
something for a void method.

Testing the same thing with a simple function:
void m() {
    return 1;
}

gives the following output of "dmd main.d":
main.d(2): Error: long has no effect in expression (1)

Which is still not very clear.

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