[Issue 8965] New: Implement mixin template for forwading constructors

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=8965

           Summary: Implement mixin template for forwading constructors
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: Phobos
        AssignedTo: nobody at puremagic.com
        ReportedBy: andrej.mitrovich at gmail.com


--- Comment #0 from Andrej Mitrovic <andrej.mitrovich at gmail.com> 2012-11-05 20:50:40 PST ---
The syntax should be a simple as doing 'mixin Forward' in a class. This would
alleviate the pain of having to duplicate code just to forward to base class
constructors. Hardcoded example:

import std.stdio;

mixin template Forward()
{
    this(int x) { super(x); }
}

class Foo
{
    this(int i) { writeln(i); }
}

class Bar : Foo
{
    mixin Forward;
}

void main()
{
    auto bar = new Bar(1);
}

It should be relatively easy to implement.

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