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

2002年7月15日 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	 |
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greg@cosc.canterbury.ac.nz	 +--------------------------------------+