bugDenemo - Bugs: bug #29825, Many scripts avoid (if expr for...


bug #29825: Many scripts avoid (if expr for expr not boolean

Submitter:  Richard Shann <rshann>
Submitted:  Sat 08 May 2010 09:32:47 AM UTC
Category:  None Severity:  3 - Normal
Item Group:  None Status:  None
Privacy:  Public Assigned to:  None
Originator Name:  Open/Closed:  Open
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Sat 08 May 2010 09:32:47 AM UTC, original submission:  

In the guile docs there is the statement

“true” means any value at all except #f

so the many occurrences of (boolean?  expr) in our scripts are unnecessarily obscure, as what they are trying to test is if the returned value is not a string but #f

This infelicitous construction will be copied by others if we do not nip it in the bud. (Reading Nils' paste code triggered the detection of this, thank you Nils).

Richard Shann <rshann>
Group administrator


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