In article <[EMAIL PROTECTED]>, greg <[EMAIL PROTECTED]> wrote: > >Here is the definition of call-by-value from the >"Revised Report on the Algorithmic Language Algol 60" ><http://www.masswerk.at/algol60/report.htm>: > >4.7.3.1. Value assignment (call by value). All formal parameters quoted in the >value part of the procedure declaration heading are assigned the values (cf. >section 2.8. Values and types) of the corresponding actual parameters, these >assignments being considers as being performed explicitly before entering the >procedure body. The effect is as though an additional block embracing the >procedure body were created in which these assignments were made to variables >local to this fictitious block with types as given in the corresponding >specifications (cf. section 5.4.5). > >There you have it -- call by value is offially defined in >terms of assignment. There is no mention in there of copying. > >So it's perfectly correct to use it in relation to Python.
Except, of course, for the fact that it is generally misleading. -- Aahz ([EMAIL PROTECTED]) <*> http://www.pythoncraft.com/ "It is easier to optimize correct code than to correct optimized code." --Bill Harlan -- http://mail.python.org/mailman/listinfo/python-list