check_null_cond: Return check_null Value
Description
Check if alt_null argument is TRUE or FALSE. If it is FALSE
it will return FALSE. If the argument is TRUE it will check if the
x argument is NULL and return logical value.
Usage
check_null_cond(x, alt_null)
Value
Either TRUE or FALSE.
Arguments
- x
Argument to check if is NULL.
- alt_null
Logical. If TRUE it will check if x is NULL.