• d-bugmail puremagic.com (31/31) Mar 31 2012 http://d.puremagic.com/issues/show_bug.cgi?id=7804
• d-bugmail puremagic.com (10/10) Dec 10 2012 http://d.puremagic.com/issues/show_bug.cgi?id=7804
• d-bugmail puremagic.com (12/12) Feb 21 2013 http://d.puremagic.com/issues/show_bug.cgi?id=7804
• d-bugmail puremagic.com (10/10) May 02 2013 http://d.puremagic.com/issues/show_bug.cgi?id=7804
• d-bugmail puremagic.com (10/10) May 02 2013 http://d.puremagic.com/issues/show_bug.cgi?id=7804

d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=7804

           Summary: Cannot alias __traits directly
           Product: D
           Version: D2
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: simendsjo gmail.com



/*
basic type expected, not __traits
no identifier for declarator int
semicolon expected to close alias declaration
Declaration expected, not '__traits'
*/
template f(T) {
    alias __traits(allMembers, T) f;
}

// ok
template g(T) {
    enum members = __traits(allMembers, T);
    alias members g;
}

Tested on 2.059 trunk.

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=7804


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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |kennytm gmail.com



15:42:43 PST ---
*** Issue 5877 has been marked as a duplicate of this issue. ***

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=7804


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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |andrej.mitrovich gmail.com



15:08:20 PST ---
This bug is extremely annoying in metaprogramming. I can't fix it, the parser
in DMD is implemented in a bizarre way. Anyone know what it would take to make
this work?

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=7804


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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |verylonglogin.reg gmail.com



03:31:07 PDT ---
*** Issue 10014 has been marked as a duplicate of this issue. ***

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=7804




03:31:49 PDT ---
Test-case from Issue 10014:

----
class C { int i; }
static assert(is(__traits(parent, C.i) == C)); // Error
----

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