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Add the 'bool' type and its values 'False' and 'True', as described in

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PEP 285.  Everything described in the PEP is here, and there is even
some documentation.  I had to fix 12 unit tests; all but one of these
were printing Boolean outcomes that changed from 0/1 to False/True.
(The exception is test_unicode.py, which did a type(x) == type(y)
style comparison.  I could've fixed that with a single line using
issubtype(x, type(y)), but instead chose to be explicit about those
places where a bool is expected.

Still to do: perhaps more documentation; change standard library
modules to return False/True from predicates.
This commit is contained in:
Guido van Rossum 2002-04-03 22:41:51 +00:00
parent e9c0358bf4
commit 77f6a65eb0
29 changed files with 489 additions and 378 deletions
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12
Objects/intobject.c
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@ -10,18 +10,6 @@ PyInt_GetMax(void)
return LONG_MAX; /* To initialize sys.maxint */
}
/* Standard Booleans */
PyIntObject _Py_ZeroStruct = {
PyObject_HEAD_INIT(&PyInt_Type)
0
};
PyIntObject _Py_TrueStruct = {
PyObject_HEAD_INIT(&PyInt_Type)
1
};
/* Return 1 if exception raised, 0 if caller should retry using longs */
static int
err_ovf(char *msg)