Checks the names of an object.
Usage
check_names(
x,
names = character(0),
exclusive = FALSE,
order = FALSE,
x_name = NULL
)Arguments
- x
The object to check.
- names
A character vector of the required names.
- exclusive
A flag specifying whether x must only contain the required names.
- order
A flag specifying whether the order of the required names in x must match the order in names.
- x_name
A string of the name of object x or NULL.
See also
Other check:
check_data(),
check_dim(),
check_dirs(),
check_files(),
check_key(),
check_values()
Examples
x <- c(x = 1, y = 2)
check_names(x, c("y", "x"))
try(check_names(x, c("y", "x"), order = TRUE))
#> Error in eval(expr, envir, enclos) :
#> `names(x)` must include 'y' and 'x' in that order.
try(check_names(x, "x", exclusive = TRUE))
#> Error in eval(expr, envir, enclos) : `names(x)` must not include 'y'.