Default value for NULL

This infix function makes it easy to replace NULLs with a default value. It's inspired by the way that Ruby's or operation (||) works.

Usage

x %||% y

x %|0|% y

Arguments

x, y

If x is NULL or length 0, will return y; otherwise returns x.

Examples

1 %||% 2
#> [1] 1
NULL %||% 2
#> [1] 2
character(0) %|0|% ""
#> [1] ""
list() %|0|% ""
#> [1] ""