• d-bugmail puremagic.com (37/37) Oct 26 2011 http://d.puremagic.com/issues/show_bug.cgi?id=6858

d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=6858

           Summary: opDispatch is unusable for property functions
           Product: D
           Version: D2
          Platform: Other
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: andrej.mitrovich gmail.com


--- Comment #0 from Andrej Mitrovic <andrej.mitrovich gmail.com> 2011-10-26
21:04:04 PDT ---
struct Foo
{
     property void x(int) {}
}

struct Bar
{
    Foo foo;

    void opDispatch(string Field, Args...)(Args args)
    {
        foo.x = args;
    }
}

void main()
{
    Bar bar;
    bar.x = 5;
}

Error: expected 1 function arguments, not 0

Of course there's no way DMD can tell in advance that opDispatch will invoke a
property function, so it just expects opDispatch to return an lvalue to be
assigned with 5. :/

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