On Sep 3, 9:15 pm, William Gill <nore...@domain.invalid> wrote: > During some recent research, and re-familiarization with Python, I came > across documentation that suggests that programming using functions, and > programming using objects were somehow opposing techniques.
Staying with (for the moment) the suggestion that OO-P and F-P are complementary, I believe it is worthwhile to distinguish syntactic OO- P vs F-P from semantic OO-P vs F-P. Syntactically: f(x) is functional x.f() is object oriented. Semantically if f's return value depends only on x ie does not depend on state it is functional (in the math sense) -- the jargon is that f is referentially transparent. Referential opaqueness is usually such a source of problems that it turns out good to contain the problem somewhat -- hence the wish for encapsulation. One can find in the python library itself all 4 combinations: syntactically and semantically OO : sort syntactically and semantically FP: sorted syntactically OO semantically FP: join -- http://mail.python.org/mailman/listinfo/python-list
