R: Display tree of references

ref {lobstr} | R Documentation

## Display tree of references

### Description

This tree display focusses on the distinction between names and values. For each reference-type object (lists, environments, and optional character vectors), it displays the location of each component. The display shows the connection between shared references using a locally unique id.

### Usage

    ref(..., character = FALSE)

### Arguments

`...` | One or more objects
`character` | If `TRUE`, show references from character vector in to global string pool

### See Also

Other object inspectors: `ast()`, `sxp()`

### Examples

    x <- 1:100
    ref(x)

    y <- list(x, x, x)
    ref(y)
    ref(x, y)

    e <- new.env()
    e$e <- e
    e$x <- x
    e$y <- list(x, e)
    ref(e)

    # Can also show references to global string pool if requested
    ref(c("x", "x", "y"))
    ref(c("x", "x", "y"), character = TRUE)

[Package lobstr version 1.1.2 Index]