http://d.puremagic.com/issues/show_bug.cgi?id=435

           Summary: Constructors should be templatized
           Product: D
           Version: 0.169
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: DMD
        AssignedTo: bugzilla@digitalmars.com
        ReportedBy: aarti@interia.pl


It is  not possible to make constructors as template functions. As constructor does not differ so much from function it should not be very difficult to implement it, but gives lot more flexibility.


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http://d.puremagic.com/issues/show_bug.cgi?id=435


Andrei Alexandrescu <andrei@metalanguage.com> changed:

           What    |Removed                     |Added
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                 CC|                            |andrei@metalanguage.com




--- Comment #1 from Andrei Alexandrescu <andrei@metalanguage.com>  2009-05-18 12:31:07 PDT ---
A quick unittest:

class B
{
    this(int) {}
}

class D : B
{
    this(A...)(A args) { super(args); }
}

unittest
{
    auto a = new D(4);
}

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Steven Schveighoffer <schveiguy@yahoo.com> changed:

           What    |Removed                     |Added
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                 CC|                            |reiner.pope@gmail.com


--- Comment #2 from Steven Schveighoffer <schveiguy@yahoo.com> 2010-08-05 10:57:21 PDT ---
*** Issue 1462 has been marked as a duplicate of this issue. ***

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nfxjfg@gmail.com changed:

           What    |Removed                     |Added
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                 CC|                            |ivan.melnychuk+d@gmail.com


--- Comment #3 from nfxjfg@gmail.com 2010-09-21 04:59:11 PDT ---
*** Issue 4905 has been marked as a duplicate of this issue. ***

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--- Comment #4 from Shin Fujishiro <rsinfu@gmail.com> 2010-10-25 11:39:57 PDT ---
Created an attachment (id=794)
Patch against dmd trunk r727, for D2

This is a D2 enhancement patch.  Passed dmd/druntime/phobos tests and testcases in the reports.

class.c:  Just added isTemplateDeclaration() to an if condition.  It makes the ClassDeclaration recognize constructor templates as its constructors.

expression.c:  Changed toParent() to isThis().  toParent() doesn't check
through template instances and misunderstands that constructor is not declared
inside a class or struct.  isThis() (or toParent2) takes care of such cases.

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--- Comment #5 from sweatygarlic@yahoo.co.jp 2011-05-15 09:57:25 PDT ---
Created an attachment (id=973)
this is a modification to initialize const member

this contains the diff of `794: Patch against dmd trunk r727, for D2'

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Mathias Baumann <mathias.baumann@sociomantic.com> changed:

           What    |Removed                     |Added
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                 CC|                            |mathias.baumann@sociomantic
                   |                            |.com


--- Comment #6 from Mathias Baumann <mathias.baumann@sociomantic.com> 2011-10-03 04:59:29 PDT ---
This fix seems to have not made it to dmd v1.071

Could D1 also be fixed, please?

 --Marenz

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kennytm@gmail.com changed:

           What    |Removed                     |Added
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                 CC|                            |joshuareusch@web.de


--- Comment #7 from kennytm@gmail.com 2012-02-09 14:07:28 PST ---
*** Issue 4531 has been marked as a duplicate of this issue. ***

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kennytm@gmail.com changed:

           What    |Removed                     |Added
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           Keywords|                            |pull
                 CC|                            |kennytm@gmail.com


--- Comment #8 from kennytm@gmail.com 2012-02-09 14:42:55 PST ---
Pull #703 (which is the same as patch 794 here).

https://github.com/D-Programming-Language/dmd/pull/703

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--- Comment #9 from github-bugzilla@puremagic.com 2012-02-18 23:48:03 PST ---
Commit pushed to master at https://github.com/D-Programming-Language/dmd

https://github.com/D-Programming-Language/dmd/commit/18e6ecf0e3680fff13ac77f3a4d6de5a459a9ca6 Merge pull request #703 from kennytm/bug435_template_ctor

Bug 435: Constructors should be templatized

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