At Wednesday 20/9/2006 15:11, Irmen de Jong wrote:
Because the result of partition is a non mutable tuple type containing
three substrings of the original string, is it perhaps also the case
that partition works without allocating extra memory for 3 new string
objects and copying the substrings into them?
I can imagine that the tuple type returned by partition is actually
a special object that contains a few internal pointers into the
original string to point at the locations of each substring.
Although a quick type check of the result object revealed that
it was just a regular tuple type, so I don't think the above is true...
Nope, a python string has both a length *and* a null terminator (for
ease of interfacing C routines, I guess) so you can't just share a substring.
Gabriel Genellina
Softlab SRL
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