[pypy-svn] r4739 - pypy/trunk/src/pypy/annotation

[arigo at codespeak.net]

Author: arigo
Date: Mon May 31 14:48:17 2004
New Revision: 4739

Modified:
   pypy/trunk/src/pypy/annotation/binaryop.py
Log:
Union of two SomeIterators.


Modified: pypy/trunk/src/pypy/annotation/binaryop.py
==============================================================================
--- pypy/trunk/src/pypy/annotation/binaryop.py	(original)
+++ pypy/trunk/src/pypy/annotation/binaryop.py	Mon May 31 14:48:17 2004
@@ -7,7 +7,7 @@
 from pypy.annotation.model import SomeString, SomeList, SomeDict
 from pypy.annotation.model import SomeTuple, SomeImpossibleValue
 from pypy.annotation.model import SomeInstance, SomeFunction, SomeMethod
-from pypy.annotation.model import SomeBuiltin
+from pypy.annotation.model import SomeBuiltin, SomeIterator
 from pypy.annotation.model import unionof, set, setunion, missing_operation
 from pypy.annotation.factory import BlockedInference, getbookkeeper
 
@@ -165,6 +165,12 @@
         return SomeInstance(basedef)
 
 
+class __extend__(pairtype(SomeIterator, SomeIterator)):
+
+    def union((iter1, iter2)):
+        return SomeIterator(unionof(iter1.s_item, iter2.s_item))
+
+
 class __extend__(pairtype(SomeBuiltin, SomeBuiltin)):
 
     def union((bltn1, bltn2)):