R: Get option value by subset operator

[[.GlobalOptionsFun {GlobalOptions} | R Documentation

## Get option value by subset operator

### Description

Get option value by subset operator

### Usage

    ## S3 method for class 'GlobalOptionsFun'
    x[[nm]]

### Arguments

`x` | the option object returned by `set_opt` or `setGlobalOptions`.
`nm` | a single option name.

### Details

`opt[["a"]]` is same as `opt("a")` or `opt$a`.

### Author(s)

Zuguang Gu <z.gu@dkfz.de>

### Examples

    opt = set_opt(a = 1)
    opt[["a"]]

[Package GlobalOptions version 0.1.0 Index]