Trent Mick wrote: > > On Tue, Jun 13, 2000 at 10:53:58PM -0500, Al-Amerrho H. Amerin wrote: > > Is this a bug or a feature?: > > > > Python 1.6a2 (#4, Jun 9 2000, 02:22:41) [GCC 2.95.2 19991024 > > (release)] on linux2 > > Copyright 1991-1995 Stichting Mathematisch Centrum, Amsterdam > > Copyright 1995-2000 Corporation for National Research Initiatives (CNRI) > > > > >>> ''.isdigit() > > 1 > > >>> ''.isspace() > > 1 > > > > Good point, maybe. The __docs__ say: > > "S.isdigit() -> int\n\ > \n\ > Return 1 if there are only digit characters in S,\n\ > 0 otherwise."; > > static char isspace__doc__[] = > "S.isspace() -> int\n\ > \n\ > Return 1 if there are only whitespace characters in S,\n\ > 0 otherwise."; > > I am not an English language lawyer so I could see both interpretations from > the doc strings. I agree, that the result with a zero length string is > surprising. > > Hi All, > Which should it be? Sorry, if this has been covered. I guess it's a bug... a subtle one though, because in a certain sense both 1 and 0 are acceptable. But since '' is considered to be false, I think that returning 0 makes more sense. I'll fix this to return 0 for emtpy strings and Unicode objects. -- Marc-Andre Lemburg ______________________________________________________________________ Business: http://www.lemburg.com/ Python Pages: http://www.lemburg.com/python/
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