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Showing content from http://mail.python.org/pipermail/python-dev/2002-July/026503.html below:

[Python-Dev] Single- vs. Multi-pass iterability

[Python-Dev] Single- vs. Multi-pass iterability [Python-Dev] Single- vs. Multi-pass iterabilityGreg Ewing greg@cosc.canterbury.ac.nz
Mon, 15 Jul 2002 12:45:11 +1200 (NZST)
Oren Tirosh <oren-py-d@hishome.net>:

> A file object is an iterator pretending to be a container. For historical
> reasons it uses 'readline' instead of 'next'

I think it's more complicated than that. If the file
object were to become an object obeying the iterator
protocol, its next() method should really return the
next *byte* of the file. Then you'd still want methods
like read(), readline() etc. for reading in larger
chunks.

Greg Ewing, Computer Science Dept, +--------------------------------------+
University of Canterbury,	   | A citizen of NewZealandCorp, a	  |
Christchurch, New Zealand	   | wholly-owned subsidiary of USA Inc.  |
greg@cosc.canterbury.ac.nz	   +--------------------------------------+




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