has_any_attributes

Does the input have any attributes?

Checks to see if the input has any attributes.

Usage
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.

Note

There are no corresponding assert functions, since they overlap too closely with the assertions for has_attributes.

See Also

has_attributes to check for specific attributes.

Aliases
  • has_any_attributes
  • has_no_attributes
Examples
library(assertive.properties) has_any_attributes(matrix()) has_no_attributes(data.frame())
Documentation reproduced from package assertive.properties, version 0.0-4, License: GPL (>= 3)

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