• d-bugmail puremagic.com (18/18) Nov 01 2009 http://d.puremagic.com/issues/show_bug.cgi?id=3464
• d-bugmail puremagic.com (14/14) Nov 02 2009 http://d.puremagic.com/issues/show_bug.cgi?id=3464
• d-bugmail puremagic.com (7/7) Nov 09 2009 http://d.puremagic.com/issues/show_bug.cgi?id=3464
• d-bugmail puremagic.com (10/10) Nov 09 2009 http://d.puremagic.com/issues/show_bug.cgi?id=3464
• d-bugmail puremagic.com (12/12) Aug 15 2010 http://d.puremagic.com/issues/show_bug.cgi?id=3464

d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=3464

           Summary: is( void function() == function) is false
           Product: D
           Version: 2.035
          Platform: Other
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: dsimcha yahoo.com



pragma(msg, is( void delegate() == delegate).stringof);  // true
pragma(msg, is( void function() == function).stringof);  // false

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=3464


Lars T. Kyllingstad <bugzilla kyllingen.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |bugzilla kyllingen.net



00:00:05 PST ---
This is apparently intentional. I recently brought up the same issue on the NG:

http://www.digitalmars.com/d/archives/digitalmars/D/The_bizarre_world_of_typeof_99461.html#N99486

Quoting Don:
"real function()" is a *function pointer*, but is(xxx == function) tests to see
if xxx is a *function*, not a *function pointer*.

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=3464




So what is the proper way to test if something is a function pointer then?  It
seems horribly inconsistent with delegates.

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=3464


Max Samukha <samukha voliacable.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |samukha voliacable.com



PST ---
One way to test: is(typeof(*T.init) == function)

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=3464


David Simcha <dsimcha yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID



I'll mark this invalid, since the language lawyers (IANALL) say it is, and the
better solution now that it exists is std.traits.isFunctionPointer.

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