| chk_not_missing {chk} | R Documentation |
Check Not Missing Argument
Description
Checks argument not missing using
!missing(x)
Usage
chk_not_missing(x, x_name = "`x`")
vld_not_missing(x)
Arguments
x |
The object to check. |
x_name |
A string of the name of object x or NULL. |
Details
Currently only checks if value is available (as opposed to whether it was specified).
Value
The chk_ function throws an informative error if the test fails or
returns the original object if successful so it can used in pipes.
The vld_ function returns a flag indicating whether the test was met.
Functions
-
vld_not_missing(): Validate Not Missing Argument
See Also
Other chk_misc:
chk_length(),
chk_match(),
chk_missing(),
chk_named(),
chk_not_any_na(),
chk_not_empty(),
chk_sorted(),
chk_unique(),
chk_valid_name()
Examples
# chk_not_missing
fun <- function(x) {
chk_not_missing(x)
}
fun(1)
try(fun())
# vld_not_missing
fun <- function(x) {
vld_not_missing(x)
}
fun()
fun(1)
[Package chk version 0.9.2 Index]