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Postings from August 2010
On Fri, Aug 6, 2010 at 7:36 AM, karl williamson <public@khwilliamson.com> wrote:
> I did an analysis of this, and it turns out that the only ambiguous case is
> 's/foo/bar/le'. It seems like overkill for this to invent a new temporary
> pragma, and forbid all the new modifiers as suffixes, when there is no
> ambiguity at all outside of substitutions, and no ambiguity using
> substitutions except for one combination out of all those possible. Why
> can't we just say in the pods and warning message that '/le' must be
> written as '/el' in 5.14?
Help me understand what you mean by ambiguous. If there is really only
one case, then great!
But hypothetically, what would s/foo/bar/elt1 do? Would the "l" parse
as a modifier or would it parse as bar of "lt"?
Here's a stupid, but legal example:
$ perl -wE '$_=<>; sub bar { "bar" }; if ( s/foo/bar/elt 1 ) { say
"not done" }'
-- David
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