On Sat, 08 Jan 2005 18:30:25 +1000, Nick Coghlan <[EMAIL PROTECTED]> wrote:
>Carl Banks wrote: >> Right. But you know that as soon as you add this to simple >> expressions, a bunch of people are going to come here whining about how >> they don't get to use where with if-expressions. So why shouldn't they get to? >> >> Frankly, they might have a point here. Although we have replacing >> lambda expressions on our minds, I have in mind a different problem >> that a where-statement would solve perfectly. But it would have to be >> used with an if-expression. > >I have a different suggestion for this. > >'as' is used for renaming in import statements. 'as' will be used for >exception >naming in Python 3k. > >So let's use it for expression naming in 'if' statements, too. > >if someregexp.match(s) as m: > # blah using m >elif someotherregexp.match(s) as m: > # blah using m > If 'where: ...' were an expression suite ISTM you could write if m where: m = someregexp.match(s) # same-line format blah(m) elif m where: m = someotherregexp(s) # indented suite format blah(m) # dedent from where-suite starts elif-suite Regards, Bengt Richter -- http://mail.python.org/mailman/listinfo/python-list