[Issue 9348] New: "tmpl!arg" syntax followed by "!is"

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=9348

           Summary: "tmpl!arg" syntax followed by "!is"
           Product: D
           Version: D2
          Platform: x86_64
        OS/Version: Windows
            Status: NEW
          Severity: minor
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: avinesworth at mail.ru


--- Comment #0 from Andrei Vinokurov <avinesworth at mail.ru> 2013-01-18 07:54:31 PST ---
The following code gets rejected:

    @property Object F(int E)() { return null; }
    unittest { assert (F!0 !is null); }

>> Error: multiple ! arguments are not allowed

Thoughts: there seems to be some syntactic ambiguity between "!is" as operator
and "!" as template parameter list infix. IMHO, the expected behaviour in this
case would be not to take operator for template parameter.

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