tag {gWidgets2} | R Documentation

## get a persistent attribute for an object

### Description

get a persistent attribute for an object

Basic S3 method

Unlike `attr<-`, this method (essentially) stores the attribute in a reference to the object, not a copy. As such it can be used within function call (handlers) to assign values outside the scope of the function call.

Basic S3 method

### Usage

    tag(obj, key)

    ## Default S3 method:
    tag(obj, key)

    tag(obj, key) <- value

    tag(obj, key) <- value

### Arguments

`obj` | object
`key` | character. Values are stored by key. If missing, all keys are returned.
`value` | to assign to key

[Package gWidgets2 version 1.0-8 Index]