[Python-Dev] Iterable String Redux (aka String ABC) (original) (raw)
Georg Brandl g.brandl at gmx.net
Tue May 27 23:44:06 CEST 2008
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Antoine Pitrou schrieb:
Georg Brandl <g.brandl gmx.net> writes:
It does, but I don't see how it contradicts my proposition. find() takes a substring as well. Well, I'm not sure what your proposal was :-) Did you mean to keep split() out of the String interface, or to provide a default implementation of it based on find() and slicing?
You wrote:
If we stay minimalistic we could consider that the three basic operations that define a string are:
- testing for substring containment
- splitting on a substring into a list of substrings
- slicing in order to extract a substring
I argued that instead of split, find belongs into that list. (BTW, length inquiry would be a fourth.)
That the other methods, among them split, can be implemented in terms of those, follows from both sets of basic operations.
Georg
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