has_name: Does an object have an element with this name?
Description
This function returns a logical value that indicates if a data
frame or another named object contains an element with a specific
name. Note that has_name() only works with vectors. For instance,
environments need the specialised function env_has().
Usage
has_name(x, name)
Value
A logical vector of the same length as name
Arguments
x
A data frame or another named object
name
Element name(s) to check
Details
Unnamed objects are treated as if all names are empty strings. NA
input gives FALSE as output.