|
|
|
@ -130,7 +130,7 @@ Same as @racket[->list], but returns a vector rather than a list.
|
|
|
|
(->boolean
|
|
|
|
(->boolean
|
|
|
|
[v any/c])
|
|
|
|
[v any/c])
|
|
|
|
boolean?]
|
|
|
|
boolean?]
|
|
|
|
Returns @racket[#t] for any @racket[_v] except @racket[#f], which remains @racket[#f].
|
|
|
|
Return @racket[#t] for any @racket[_v] except @racket[#f], which remains @racket[#f]. Same as @code{(and v #t)}.
|
|
|
|
|
|
|
|
|
|
|
|
@examples[#:eval my-eval
|
|
|
|
@examples[#:eval my-eval
|
|
|
|
(map ->boolean (list "string" 'symbol + '(a) #f))
|
|
|
|
(map ->boolean (list "string" 'symbol + '(a) #f))
|
|
|
|
|
