[Python-ideas] Break the dominance of boolean values in boolean context
ned at nedbatchelder.com
Wed Sep 14 02:59:07 CEST 2011
On 9/12/2011 4:20 PM, Lukas Lueg wrote:
> Summing all up, I really think that we should break the dominance of
> bool() and take a look at how we can implement boolean contexts
> without relying on boolean values all the time.
I was surprised to find that any() returns True or False, regardless of
the values it encounters. Conceptually, these two are the same (where S
is a sequence S0, S1, S2, ..., Sn):
S0 or S1 or S2 or ... or Sn
They are equivalent except that if Sx is the first true-ish value, the
first will return True while the second returns Sx. Why shouldn't any()
also return Sx?
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