check_unique: Check Unique

In checkr: Check the Properties of Common R Objects

Description

Checks whether all elements of an object are unique.

Usage

check_unique(x, x_name = substitute(x), error = TRUE)

Arguments

x	The object to check.
x_name	A string of the name of the object.
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_vector

Examples

check_unique(2, error = FALSE)
check_unique(c(2,2), error = FALSE)
check_unique(1:2, error = FALSE)
check_unique(character(0), error = FALSE)
check_unique(NULL, error = FALSE)
check_unique(list(), error = FALSE)

Example output

Warning message:
c(2, 2) must be unique 

checkr documentation built on May 1, 2019, 6:59 p.m.