checkr (version 0.5.0)

check_named: Check Named

Description

Checks whether an object is named.

Usage

check_named(x, nchar = c(0L, chk_max_int()), pattern = ".*",
  regex = pattern, unique = FALSE, x_name = substitute(x),
  error = TRUE)

Arguments

x

The object to check.

nchar

A count or count range of the number of characters.

pattern

A string of the regular expression that must match all names.

regex

A string of the regular expression that must match all names.

unique

A flag indicating whether the names must be unique.

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_unnamed, check_names and check_missing_names

Examples

# NOT RUN {
check_named(2, error = FALSE)
x <- 1
names(x) <- "y"
check_named(x, error = FALSE)
# }