Assert level

Assert level

Usage

check_last_level(x, class)

assert_last_level(x, class, .var.name = checkmate::vname(x), add = NULL)

Arguments

x

picks object

class

Class of the last element of picks

.var.name

[character(1)]
The custom name for x as passed to any assert* function. Defaults to a heuristic name lookup.

add

[AssertCollection]
Collection to store assertion messages. See AssertCollection.

Value

For check_last_level a logical value or a string. For assert_last_level invisibly the object checked or an error.

Examples

x <- picks(datasets(), variables(), values())
assert_last_level(x, "values")