Value selection operator

This operator returns the left side if it's not NULL, otherwise it returns the right side.

Usage

a %ss% b

Arguments

a

The left side value to check.

b

The right side value to use if a is NULL.

Value

a if it is not NULL, otherwise b.

Examples

NULL %ss% 10
#> [1] 10
5 %ss% 10
#> [1] 5