R: Does the input have terms?

assert_has_terms {assertive.models}

R Documentation

Does the input have terms?

Description

Checks to see if the input has a terms component or attribute.

Usage

assert_has_terms(x, severity = getOption("assertive.severity", "stop"))

has_terms(x, .xname = get_name_in_parent(x))

Arguments

`x`	Input to check.
`severity`	How severe should the consequences of the assertion be? Either `"stop"`, `"warning"`, `"message"`, or `"none"`.
`.xname`	Not intended to be used directly.

Value

has_terms returns TRUE if the input has an element or an attribute named terms. assert_has_terms returns nothing but throws an error if has_terms is not TRUE.

Examples

assert_has_terms(lm(uptake ~ conc, CO2))