Checks if not NULL using
!is.null(x)
chk_not_null(x, x_name = NULL)vld_not_null(x)
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.
The object to check.
A string of the name of object x or NULL.
vld_not_null()
: Validate Not NULL
For more details about the use of this function,
please read the article
vignette("chk-families")
.
Other null_checkers:
chk_null()
# chk_not_null
try(chk_not_null(NULL))
chk_not_null(1)
# vld_not_null
vld_not_null(1)
vld_not_null(NULL)
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