box (version 1.1.0)

default: Retrieve a value or a default

Description

a %||% b returns a unless it is empty, in which case b is returned.

Usage

a %||% b
lhs %|% rhs

Arguments

a

the value to return if non-empty

b

default value

lhs

vector with potentially missing values, or NULL

rhs

vector with default values, same length as lhs unless that is NULL

Value

a %||% b returns a, unless it is NULL, empty, FALSE or ""; in which case b is returned.

lhs %|% rhs returns a vector of the same length as rhs with all missing values in lhs replaced by the corresponding values in rhs.