Check not NULL
Checks if not NULL using
!is.null(x)
chk_not_null(x, x_name = NULL) vld_not_null(x)
x |
The object to check. |
x_name |
A string of the name of object x or NULL. |
The chk_ function throws an informative error if the test fails.
The vld_ function returns a flag indicating whether the test was met.
vld_not_null: Validate Not NULL
Other chk_nulls:
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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