R Graphical Manual

Last data update: 2014.03.03

R: Compose multiple functions

compose

R Documentation

Compose multiple functions

In infix and prefix forms.

compose(...)

f %.% g

`...`	n functions to apply in order from right to left
`f,g`	two functions to compose for the infix form

not_null <- `!` %.% is.null
not_null(4)
not_null(NULL)

add1 <- function(x) x + 1
compose(add1,add1)(8)