Do every, some, or none of the elements of a list satisfy a predicate?

every(.x, .p, ...)

some(.x, .p, ...)

none(.x, .p, ...)

Arguments

.x	A list or atomic vector.
.p	A predicate function to apply on each element of `.x`. `some()` returns `TRUE` when `.p` is `TRUE` for at least one element. `every()` returns `TRUE` when `.p` is `TRUE` for all elements. `none()` returns `TRUE` when `.p` is `FALSE` for all elements.`
...	Additional arguments passed on to `.p`.

Value

A logical vector of length 1.

Examples

y <- list(0:10, 5.5)
y %>% every(is.numeric)
#> [1] TRUE
y %>% every(is.integer)
#> [1] FALSE
y %>% some(is.integer)
#> [1] TRUE
y %>% none(is.character)
#> [1] TRUE