Op 2005-03-18, Bengt Richter schreef <[EMAIL PROTECTED]>:
>
[ ... ]
>
> BTW, I would like a re-assign or find-and-rebind operation spelled ":=" which
> would
> make x := 123 mean look for x as if to read its value in a right hand side
> expression,
> (except do not look into __builtins__) and wherever found, rebind to 123 --
> and if not found,
> raise an exception.
>
> I think var := 'something' would be a useful substitute for the idiom of
> var[0] = 'something' and be unambiguous.
>
> ":=" as an operator could combine like <op>= if desired, so we could write
> var +:= some.long.expression[that].you('do')**not.want.to.type.twice
> instead of
> _ = some.long.expression[that].you('do')**not.want.to.type.twice
> var +:= _ # meaning var := var + _
> or such.
Well you have my support for this. But I have the impression this
differs from the previous time you came up with a similar idea.
If IRC your previous proposal limited the search to the local
scope, making a := b equivallent to something like a; a = b.
I must say I like your current idea better.
--
Antoon Pardon
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