On 5 Aug 2002 at 16:50, Gordon McMillan wrote:
> What I'm really saying is that I almost never use x
> in str because it's semantics have always been
> peculiar. Thus, I don't *really* care whether '' in
> str raises an exception, because if it does, I
> won't train myself to use it <wink>.
Turns out that's not true. When I want set membership,
I first write "char in ('a', 'b', 'c')", then
sometimes change it because "char in 'abc'" is more
efficient.
So whether '' in 'abc' will work or not is a red
herring. The real issue is that membership gets
conflated with subsetting.
-- Gordon
http://www.mcmillan-inc.com/
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