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[Python-Dev] PEP 215 redux: toward a simplified consensus?

M.-A. Lemburg mal@lemburg.com
Mon, 25 Feb 2002 20:44:48 +0100 
"Barry A. Warsaw" wrote:
> 
> >>>>> "MAL" == M  <mal@lemburg.com> writes:
> 
>     MAL> Whatever you do, just please don't mix the old and new
>     MAL> semantics...
> 
>     MAL>    'Joe has $ %(a)5.2f in his pocket.' % locals()
> 
>     MAL> is perfectly valid now and should continue to be valid.
> 
> I agree completely; it ought to be one or the other.  In the code I
> emailed, you actually had to do a conversion step from $-strings to
> %-strings to use the build-in string-mod operator.  In practice, if
> $-strings were to be added to the language, I suspect some new prefix
> would have to designate a new type of string object, e.g. $''
> strings.  Or perhaps a different binary operator could be used.

Good.

Since the strings themselves don't really change and to
avoid confusing string modifiers...

	ur$'my $format \$tring'

I'd suggest to use a new operator, e.g.

	'Joe has $$ $a in his pocket.' $ locals()

-- 
Marc-Andre Lemburg
CEO eGenix.com Software GmbH
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