[Newbie]:swig wrappers for bootstrapped classes

Sharma K M writes:
 > In a swig interface file (sample.i), I need to have
 > the code similar to the following. To understand the
 > scenario, please go through the comments also:
 > =========sample.i=============
 > ....
 > ....
 > class x
 > {
 >      ....
 > }
 > 
 > %extend x
 > {
 >      y __getitem__(...) /* since class y is defined later, I get the error*/
 >      {
 >              return y(self, ...);
 >      }
 > }
 > %inline
 > %{
 > ....
 > class y

[ snip ]

If you are going to do something like this, I strongly recommend
declaring "y" before you use it as a typename.  For example:

%{
class y;
%}

class x { };
%extend x {
     y __getitem__(...) { ... }
};

This is almost certainly part of the problem (as "y" is used in the
wrapper code before it is defined).

-- Dave
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