purrr (version 0.2.2)

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 atomic 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 logical element in the inner lists. Only those elements where .p evaluates to TRUE will be modified.
...
Additional arguments passed on to .f.

Value

Either TRUE or FALSE.

Examples

Run this code
x <- list(0, 1, TRUE)
x %>% every(identity)
x %>% some(identity)

y <- list(0:10, 5.5)
y %>% every(is.numeric)
y %>% every(is.integer)

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