tag: get a persistent attribute for an object

In jverzani/gWidgets2: Rewrite of gWidgets API for Simplified GUI Construction

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

jverzani/gWidgets2 documentation built on May 20, 2019, 5:17 a.m.