[Issue 9875] New: opDispatch is wrongly set to safe

d-bugmail at puremagic.com d-bugmail at puremagic.com
Thu Apr 4 07:17:17 PDT 2013


http://d.puremagic.com/issues/show_bug.cgi?id=9875

           Summary: opDispatch is wrongly set to safe
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: rejects-valid
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: andrej.mitrovich at gmail.com


--- Comment #0 from Andrej Mitrovic <andrej.mitrovich at gmail.com> 2013-04-04 07:17:16 PDT ---
import std.string;

mixin template Mixin()
{
    auto test()()  // must be template to reproduce
    {
        static struct Dispatch  // move outside of 'test' and it works
        {
            void opDispatch(string name, Args...)(Args args)
            {
                assert(0, format("%s", ""));
            }
        }

        return Dispatch();
    }
}

mixin Mixin!();

void main()
{
    test().foo();
}

Error: safe function 'test.Mixin!().test!().test.Dispatch.opDispatch!("foo",
).opDispatch' cannot call system function 'std.string.format!(char,
string).format'

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