On Sat, 25 Jun 2005 23:08:10 +0000, Bengt Richter wrote: >>Using := and = for assignment and equality is precisely as stupid as using >>= and == for assignment and equality. Perhaps less stupid: why do we use >>== for equals, but not ++ for plus and -- for minus? >> > I agree, but I think := would be nice in python for RE-binding an existing > binding, wherever it is seen from the local context. Thus you could > write > > def foo(): x:=123 > > and > x = 456 > def bar(): > x = 789 > foo() # finds and rebinds local x > print x > bar() # -> 123 > print x # -> 456 > foo() # finds and rebinds the global x > print x # -> 123 > > but > del x > foo() #-> NameError exception, can't find any x to rebind > > hm, wandered a bit OT there, ;-/
Given how much the use of global variables are discouraged, is it a good idea to allow even more inter-namespace interactions? -- Steven. -- http://mail.python.org/mailman/listinfo/python-list