(examples-for andify
("takes a list of functions A and returns a function that applies its arguments to each f in A in turn, returning the logical AND of the set of return values" (with (even? λn(eq? (mod n 2) 0) triple? λn(eq? (mod n 3) 0) big? λn(> n 10)) (select (andify even? triple? big?) (range -10 31))) (12 18 24 30)))