I've never liked that idea. Down with it! On 6/16/05, Raymond Hettinger <[EMAIL PROTECTED]> wrote: > The principal use case was largely met by enumerate(). From PEP 276's > rationale section: > > """ > A common programming idiom is to take a collection of objects and apply > some operation to each item in the collection in some established > sequential order. Python provides the "for in" looping control > structure for handling this common idiom. Cases arise, however, where > it is necessary (or more convenient) to access each item in an "indexed" > collection by iterating through each index and accessing each item in > the collection using the corresponding index. > """ > > Also, while some nice examples are provided, the proposed syntax allows > and encourages some horrid examples as well: > > >>> for i in 3: print i > 0 > 1 > 2 > > The backwards compatability section lists another problematic > consequence; the following would stop being a syntax error and would > become valid: > > x, = 1 > > The proposal adds iterability to all integers but silently does nothing > for negative values. > > A minor additional concern is that floats are not given an equivalent > capability (for obvious reasons) but this breaks symmetry with > range/xrange which still accept float args. > > > Raymond > >
-- --Guido van Rossum (home page: http://www.python.org/~guido/) _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
