checkr (version 0.5.0)

check_attributes: Check Attributes

Description

Checks an objects attributes.

Usage

check_attributes(x, values = NULL, exclusive = FALSE, order = FALSE,
  names = TRUE, class = TRUE, x_name = substitute(x), error = TRUE)

Arguments

x

The object to check.

values

An optional vector or named list specifying the values.

exclusive

A flag indicating whether other elements are not permitted.

order

A flag indicating whether the elements have to occur in the same order as values.

names

A flag specifying whether names should be considered an attribute.

class

A flag specifying whether class should be considered an attribute.

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_list

Examples

# NOT RUN {
x <- 1
attributes(x) <- list(y = 2L)
check_attributes(x, values = list(y = 3:4), error = FALSE)
# }