[Python-ideas] New explicit methods to trim strings
greg.ewing at canterbury.ac.nz
Mon Mar 25 18:27:42 EDT 2019
Dan Sommers wrote:
> So what it is "hello" - "world"?
If we were to implement the entire group, it would be an element
that can't be written in any simpler form.
We could do that by representing a string as a sequence of
signed substrings, and performing cancellations whereever
possible during concatenation.
But that would be a huge amount of machinery just to provide
a cute notation for removing a prefix or suffix, with little
in the way of other obvious applications.
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