On 27/03/19 22:25, Terry Reedy wrote: > ... > > Before 3.8, I would stop here and say no to the proposal. But we now > have assignment expressions in addition to assignment statements. > > >>> int(s:='42'+'742') > 42742 > >>> s > '42742' > > To me, function assignment expressions, as a enhanced replacement for > lambda expressions, is more inviting than function assignment > statements as an abbreviation for function definition statements. > > In other words, replace > > map(lambda x: x*x, range(10)) > > with > > map(square(x):=x*x, range(10)) > > or, if one does not want a specific name, > > map(_(x):=x*x, range(10)) > > Many people dislike lambda expressions, to the point that Guido > considered leaving them out of 3.x. So this replacement might get > more traction. It would make assignment expressions much more useful.
I think map is not a good example, since I would just replace them with Since we are talking python 3.8 why not just use a generator here: (x*x for x in range(10)) instead of map? -- https://mail.python.org/mailman/listinfo/python-list
