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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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4
Include/object.h
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@ -531,8 +531,8 @@ extern DL_IMPORT(long) _Py_RefTotal;
#define Py_DECREF(op) \
if (--_Py_RefTotal, 0 < (--((op)->ob_refcnt))) ; \
else if (0 == (op)->ob_refcnt) _Py_Dealloc( (PyObject*)(op)); \
else (void)fprintf( stderr, "%s:%i negative ref count %i\n", \
__FILE__, __LINE__, (op)->ob_refcnt)
else ((void)fprintf( stderr, "%s:%i negative ref count %i\n", \
__FILE__, __LINE__, (op)->ob_refcnt), abort())
#else /* !Py_REF_DEBUG */
#ifdef COUNT_ALLOCS