Thread overview
[Issue 10919] New: typeof should accept types
Aug 29, 2013
Jacob Carlborg
Aug 30, 2013
Don
Aug 31, 2013
timon.gehr@gmx.ch
Aug 31, 2013
Temtaime
August 29, 2013
http://d.puremagic.com/issues/show_bug.cgi?id=10919

           Summary: typeof should accept types
           Product: D
           Version: unspecified
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: DMD
        AssignedTo: nobody@puremagic.com
        ReportedBy: doob@me.com


--- Comment #0 from Jacob Carlborg <doob@me.com> 2013-08-28 23:52:24 PDT ---
Currently typeof only accepts expressions. I think it would be useful if typeof accepts types as well and just evaluate to the type given. This will make metaprogramming simpler.

void foo (alias T) ()
{
    alias U = typeof(T);
}

foo!(3); // ok
foo!(Object); // error, Object is not an expression

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August 30, 2013
http://d.puremagic.com/issues/show_bug.cgi?id=10919



--- Comment #1 from Don <clugdbug@yahoo.com.au> 2013-08-30 00:53:32 PDT ---
See bug 1341.

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timon.gehr@gmx.ch changed:

           What    |Removed                     |Added
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                 CC|                            |timon.gehr@gmx.ch


--- Comment #2 from timon.gehr@gmx.ch 2013-08-30 17:38:27 PDT ---
This enhancement does not make any sense. int is not an int, it is a type. 0 is an int. A helper template can be used if an expression is desired that behaves in this way.

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Temtaime <temtaime@gmail.com> changed:

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--- Comment #3 from Temtaime <temtaime@gmail.com> 2013-08-31 01:45:50 PDT ---
I'm agree with Timon.

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