Author: Ronan Lamy <[email protected]>
Branch:
Changeset: r71736:3bd72bcbe792
Date: 2014-05-26 18:58 +0100
http://bitbucket.org/pypy/pypy/changeset/3bd72bcbe792/
Log: create class SomeNone
diff --git a/rpython/annotator/model.py b/rpython/annotator/model.py
--- a/rpython/annotator/model.py
+++ b/rpython/annotator/model.py
@@ -505,6 +505,28 @@
else:
return kt.__name__
+class SomeNone(SomePBC):
+ can_be_None = True
+ subset_of = None
+ knowntype = type(None)
+ const = None
+
+ def __init__(self):
+ pass
+
+ def isNone(self):
+ return True
+
+ @property
+ def descriptions(self):
+ return set()
+
+ def is_constant(self):
+ return True
+
+ def is_immutable_constant(self):
+ return True
+
class SomeConstantType(SomePBC):
can_be_None = False
subset_of = None
@@ -557,7 +579,7 @@
return False
-s_None = SomePBC([], can_be_None=True)
+s_None = SomeNone()
s_Bool = SomeBool()
s_Int = SomeInteger()
s_ImpossibleValue = SomeImpossibleValue()
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