checkr (version 0.5.0)

check_nchar: Check Number of Characters

Description

Checks the number of characters in the elements of an object.

Usage

check_nchar(x, nchar = TRUE, x_name = substitute(x), error = TRUE)

Arguments

x

The object to check.

nchar

A flag indicating whether x should have characters or a missing value indicating no requirements or a count or count range of the number of characters.

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_pattern and check_regex

Examples

# NOT RUN {
check_nchar(c("foo", "bar"), nchar = 3)
# }