powered by
Checks if not NULL using
!is.null(x)
chk_not_null(x, x_name = NULL)vld_not_null(x)
vld_not_null(x)
The object to check.
A string of the name of object x or NULL.
The chk_ function throws an informative error if the test fails.
chk_
The vld_ function returns a flag indicating whether the test was met.
vld_
vld_not_null: Validate Not NULL
vld_not_null
Other chk_nulls: chk_null()
chk_null()
# NOT RUN { # chk_not_null try(chk_not_null(NULL)) chk_not_null(1) # vld_not_null vld_not_null(1) vld_not_null(NULL) # }
Run the code above in your browser using DataLab