Does the input have any attributes?

Description

Checks to see if the input has any attributes.

Usage

1
2
3
has_any_attributes(x, .xname = get_name_in_parent(x))

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

Arguments

x

Input to check.

.xname

Not intended to be used directly.

Value

has_any_attributes returns TRUE if attributes(x) has length greater than zero. has_attributes returns a logical vector that is TRUE whenever the specified attribute is not NULL.

assert_has_all_attributes and assert_has_all_attributes return nothing but throw an error if has_attributes is not TRUE.

Examples

1
2