• d-bugmail puremagic.com (33/33) Mar 12 2014 https://d.puremagic.com/issues/show_bug.cgi?id=12356
• d-bugmail puremagic.com (16/16) Mar 13 2014 https://d.puremagic.com/issues/show_bug.cgi?id=12356
• d-bugmail puremagic.com (13/13) Mar 13 2014 https://d.puremagic.com/issues/show_bug.cgi?id=12356
• d-bugmail puremagic.com (10/10) Mar 13 2014 https://d.puremagic.com/issues/show_bug.cgi?id=12356
• d-bugmail puremagic.com (7/14) Mar 13 2014 https://d.puremagic.com/issues/show_bug.cgi?id=12356
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• d-bugmail puremagic.com (9/9) Mar 13 2014 https://d.puremagic.com/issues/show_bug.cgi?id=12356

d-bugmail puremagic.com writes:

https://d.puremagic.com/issues/show_bug.cgi?id=12356

           Summary: std.traits.isTypeTuple returns false for any TypeTuple
                    that contains a value
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: minor
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: monkeyworks12 hotmail.com



import std.stdio;
import std.traits;
import std.typetuple;

void main()
{
    //false
    writeln(isTypeTuple!(TypeTuple!("one", "two", "three")));

    //false
    writeln(isTypeTuple!(TypeTuple!("one")));

    //false
    writeln(isTypeTuple!(TypeTuple!(1, 2, 3)));

    //true
    writeln(isTypeTuple!(TypeTuple!()));

    //true
    writeln(isTypeTuple!(TypeTuple!(int)));
}

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d-bugmail puremagic.com writes:

https://d.puremagic.com/issues/show_bug.cgi?id=12356


Andrej Mitrovic <andrej.mitrovich gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |andrej.mitrovich gmail.com
          Component|DMD                         |Phobos



05:48:39 PDT ---
This is a naming and documentation issue. std.typecons.TypeTuple is really a
way to construct a tuple of types, values, symbols, expressions, etc. That's
the naming issue, we are aware of this.

isTypeTuple returns true if such a tuple contains types only. There's a similar
trait 'isExpressionTuple'. Both of these are not as documented as they should
be, and are missing examples.

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d-bugmail puremagic.com writes:

https://d.puremagic.com/issues/show_bug.cgi?id=12356


Andrej Mitrovic <andrej.mitrovich gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|nobody puremagic.com        |andrej.mitrovich gmail.com
            Summary|std.traits.isTypeTuple      |std.traits.isTypeTuple is
                   |returns false for any       |poorly documented
                   |TypeTuple that contains a   |
                   |value                       |
           Severity|minor                       |normal


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d-bugmail puremagic.com writes:

https://d.puremagic.com/issues/show_bug.cgi?id=12356


Andrej Mitrovic <andrej.mitrovich gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |pull



05:55:20 PDT ---
https://github.com/D-Programming-Language/phobos/pull/2009

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d-bugmail puremagic.com writes:

https://d.puremagic.com/issues/show_bug.cgi?id=12356





 This is a naming and documentation issue. std.typecons.TypeTuple is really a
 way to construct a tuple of types, values, symbols, expressions, etc. That's
 the naming issue, we are aware of this.
 
 isTypeTuple returns true if such a tuple contains types only. There's a similar
 trait 'isExpressionTuple'. Both of these are not as documented as they should
 be, and are missing examples.

Thanks for the quick response.

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d-bugmail puremagic.com writes:

https://d.puremagic.com/issues/show_bug.cgi?id=12356




Commits pushed to master at https://github.com/D-Programming-Language/phobos

https://github.com/D-Programming-Language/phobos/commit/6c38d569c8a3c4adde82430b14c4dc540c724788
Fixes Issue 12356 - Add better documentation and add examples for isTypeTuple
and isExpressionTuple.

https://github.com/D-Programming-Language/phobos/commit/4c8ebf4ea1ea9aabbdbffae6fcaffa107b6a74c8


Issue 12356 - Add better documentation and add examples for isTypeTuple and
isExpressionTuple.

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d-bugmail puremagic.com writes:

https://d.puremagic.com/issues/show_bug.cgi?id=12356


Andrej Mitrovic <andrej.mitrovich gmail.com> changed:

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


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