Lisp refactoring puzzle

Gregory Ewing greg.ewing at canterbury.ac.nz
Wed Jul 13 03:47:34 CEST 2011


Xah Lee wrote:
> they
> don't provide even simple list manipulation functions such as union,
> intersection, and the like. Not in perl, not in python, not in lisps.

Since 2.5 or so, Python has a built-in set type that
provides these (which is arguably a better place for them
than lists).

-- 
Greg



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