Learn R Programming

assertive.base (version 0.0-2)

is2: Alternative version of is

Description

If a function named is.class exists, call is.class(x). If not, call is(x, class).

Usage

is2(x, class, .xname = get_name_in_parent(x))

Arguments

x
Input to check.
class
Target class that x maybe belong to.
.xname
Not intended to be used directly.

Value

  • TRUE if x belongs to the class and FALSE otherwise.

See Also

is, and assert_is_all_of for the corresponding assert fns.

Examples

Run this code
is2(1:5, "character")
is2(matrix(1:5), "character")
is2(1:5, c("character", "list", "numeric"))

Run the code above in your browser using DataLab