R: Create an active binding.

%<a-% {pryr} | R Documentation

## Create an active binding.

### Description

Infix form of `makeActiveBinding` which creates an active binding between a name and an expression: every time the name is accessed the expression is recomputed.

### Usage

    x %<a-% value

### Arguments

`x` | unquoted expression naming variable to create
`value` | unquoted expression to evaluate every time `name` is accessed

### Examples

    x %<a-% runif(1)
    x
    x
    x %<a-% runif(10)
    x
    x
    rm(x)

[Package pryr version 0.1.2 Index]