Python builtin - add indexing support to std::set

Author: wsfulton

Examples/test-suite/python/li_std_set_runme.py

@@ -54,6 +54,8 @@
 if i.next() != 3:
     raise RuntimeError
 
+if si[0] != 1:
+    raise RuntimeError
 
 i = s.begin()
 i.next()

Lib/python/std_set.i

@@ -37,10 +37,11 @@
   %swig_container_methods(set);
 
 #if defined(SWIGPYTHON_BUILTIN)
+  %feature("python:slot", "mp_subscript", functype="binaryfunc") __getitem__;
   %feature("python:slot", "sq_contains", functype="objobjproc") __contains__;
 #endif
 
-  %extend  {
+  %extend {
      void append(value_type x) {
        self->insert(x);
      }
@@ -60,8 +61,7 @@
      void discard(value_type x) {
        self->erase(x);
      }
-
-  };
+  }
 %enddef
 
 %include <std/std_set.i>