all : ('a -> bool) -> 'a list -> bool
all P [x1,...,xn] equals P x1 andalso .... andalso P xn. all P [] yields true.
If P x0,...,P x(j-1} all evaluate to true and P xj raises an exception e, then all P [x0,...,x(j-1),xj,...,xn] raises e.
- all (equal 3) [3,3,3]; > val it = true : bool - all (equal 3) []; > val it = true : bool - all (fn _ => raise Fail "") []; > val it = true : bool - all (fn _ => raise Fail "") [1]; ! Uncaught exception: ! Fail ""