every: Do every or some elements of a list satisfy a predicate?
Description
Do every or some elements of a list satisfy a predicate?
Usage
every(.x, .p, ...)
some(.x, .p, ...)
Arguments
.x
A list or vector.
.p
A single predicate function, a formula describing such a
predicate function, or a logical vector of the same length as .x.
Alternatively, if the elements of .x are themselves lists of
objects, a string indicating the name of a lo