>..., do you think it's better to code
> it so that it always returns "t" for the true case?
my current practice is to use other-than-nil as truth value in
predicates. Even if current application needs t or nil only. this will
help avoid breaking older code (which did not assum
In article <4d307ce8.1000...@itasoftware.com>,
Daniel Weinreb wrote:
> If you have a function that is a predicate, in the sense that
> the function's contract says that its value should be interpreted
> as being either false or true, do you think it's better to code
> it so that it always return