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[REBOL] Re: parse question

From: brett:codeconscious at: 27-Jun-2001 12:18

Hi Graham,
> If parse always returns a string
USAGE: PARSE input rules /all /case If rules is a block parse returns true or false. Just being pedantic :)
> eg: parse {a="b"} [ thru {a="} copy test to {"} ] > > and 'test is now a string containing "b" > > shouldn't > > parse {a=""} [ thru {a="} copy test to {"} ] > > 'test now be an empty string rather than type none! ? >
I guess is depends on how you see it, either as "nothing to copy" (none!) or copied a string of zero length (empty). Also, I don't see that it makes a lot of difference - except for perhaps some more if statements in some circumstances. Brett