On Wednesday, March 2, 2016 at 10:53:40 PM UTC+5:30, Steven D'Aprano wrote: > On Thu, 3 Mar 2016 01:11 am, Marko Rauhamaa wrote: > > > What is missing is the rules that are obeyed by the "is" operator. > > I think what is actually missing is some common bloody sense. The Python > docs are written in English, and don't define *hundreds*, possible > *thousands* of words because they are using their normal English meaning. > > The docs for `is` say: > > 6.10.3. Identity comparisons > > The operators is and is not test for object identity: x is y is true if and > only if x and y are the same object. x is not y yields the inverse truth > value. > > https://docs.python.org/3/reference/expressions.html#is-not > > > In this case, "same object" carries the normal English meaning of "same" and > the normal computer science meaning of "object" in the sense of "Object > Oriented Programming". There's no mystery here, no circular definition. >
http://plato.stanford.edu/entries/identity/ -- https://mail.python.org/mailman/listinfo/python-list
