R: Double Colon and Triple Colon Operators

ns-dblcolon {base} | R Documentation

## Double Colon and Triple Colon Operators

### Description

Accessing exported and internal variables in a name space.

### Usage

    pkg::name
    pkg:::name

### Arguments

`pkg` | package name symbol or literal character string.
`name` | variable name symbol or literal character string.

### Details

The expression `pkg::name` returns the value of the exported variable `name` in package `pkg` if the package has a name space. The expression `pkg:::name` returns the value of the internal variable `name` in package `pkg` if the package has a name space. The package will be loaded if it was not loaded already before the call. Assignment into name spaces is not supported.

### Examples

    base::log
    base::"+"

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