Re: Unexpected comparison behavior change in 4.5.1
This WebDNA talk-list message is from 2003
It keeps the original formatting.
numero = 48758
interpreted = N
texte = On Monday, March 17, 2003, at 10:38 PM, Charles Kline wrote:> > On Tuesday, March 18, 2003, at 01:32 AM, Brian Fries wrote: > >> [showif bob^] >> >> or >> >> [if bob^] >> >> >> In my tests, these evaluate to true under 4.5.0 and earlier, and to >> false under 4.5.1. Clearly URL is not the issue here. >> > [showif bob^] should evaluate to 'false' so it seems the bug was in > 4.5.0And WHY should [showif bob^] evaluate false? I don't see anything in the empty string that isn't also in bob, therefore I - and every version of WebDNA prior to 4.5.1 - would expect it to evaluate to true.> > [if bob^] should evaluate to 'false' as well. >Again, why is false any better than true for this? If WebDNA were being written from scratch, then it would be the right time to make a choice on this. But, since it's worked the same way since I began using the product in 1997, I think its a little late to make this change.I'm not really here to debate which way it SHOULD resolve the comparison, I'm only here to point out that it broke my code - which was fully tested and had been working fine for years.> It was always my understanding that when using [if] to compare > strings, they needed to be in quotes. Was in the docs. as that from > the beginning. >Relevance? What quotes do you see missing from my example?- brian ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list
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Associated Messages, from the most recent to the oldest:
On Monday, March 17, 2003, at 10:38 PM, Charles Kline wrote:> > On Tuesday, March 18, 2003, at 01:32 AM, Brian Fries wrote: > >> [showif bob^] >> >> or >> >> [if bob^] >> >> >> In my tests, these evaluate to true under 4.5.0 and earlier, and to >> false under 4.5.1. Clearly URL is not the issue here. >> > [showif bob^] should evaluate to 'false' so it seems the bug was in > 4.5.0And WHY should [showif bob^] evaluate false? I don't see anything in the empty string that isn't also in bob, therefore I - and every version of WebDNA prior to 4.5.1 - would expect it to evaluate to true.> > [if bob^] should evaluate to 'false' as well. >Again, why is false any better than true for this? If WebDNA were being written from scratch, then it would be the right time to make a choice on this. But, since it's worked the same way since I began using the product in 1997, I think its a little late to make this change.I'm not really here to debate which way it SHOULD resolve the comparison, I'm only here to point out that it broke my code - which was fully tested and had been working fine for years.> It was always my understanding that when using [if] to compare > strings, they needed to be in quotes. Was in the docs. as that from > the beginning. >Relevance? What quotes do you see missing from my example?- brian ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
Brian Fries
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