R: Compose multiple functions

compose {pryr} | R Documentation

## Compose multiple functions

### Description

In infix and prefix forms.

### Usage

    compose(...)

    f %.% g

### Arguments

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

### Examples

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

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

[Package pryr version 0.1.2 Index]