If-NULL: Infix operator to insert default value if result is NULL

In GegznaV/spMisc: Infix Operators, Convenience and Other Kind of Miscellaneous Functions

Description

The function is useful as a way of providing a default value in case the output of another function is NULL.

Usage

a %if_null% b

Arguments

a	An expression.
b	An alternative

Value

If !is.null(a) is TRUE returns a otherwise returns b.

Examples

a1 <- "Default value"
a2 <- NULL
b  <- "Alternative"

 a1 %if_null% b
#> [1] "Default value"

 a2 %if_null% b
#> "Alternative"

GegznaV/spMisc documentation built on April 26, 2020, 5:59 p.m.