Check Inherits

Checks if an object inherits from a class.

check_inherits(x, class, x_name = substitute(x), error = TRUE)

Arguments

x

The object to check.

class

A string of the class x should inherit from.

x_name

A string of the name of the object x.

error

A flag indicating whether to throw an informative error or immediately generate an informative message if the check fails.

Value

An invisible copy of x (if it doesn't throw an error).

See also

check_classes

Examples

check_inherits(list(), "list")
#> Warning: `check_inherits()` was deprecated in checkr 0.5.1.
#> Please use `chk::chk_is()` instead.
check_inherits(list(), "numeric", error = FALSE)
#> Warning: `check_inherits()` was deprecated in checkr 0.5.1.
#> Please use `chk::chk_is()` instead.
#> Warning: list() must inherit from class numeric