Get the environment of an object

Get the environment of an object

environment_of(envir)

Arguments

envir

An R object.

Value

A non-empty character string.

Details

Returns an environment, if envir is an environment, a function, or a formula. In all other cases, NULL is returned.

Examples

## An environment
environment_of(globalenv())    ## <environment: R_GlobalEnv>
#> <environment: R_GlobalEnv>

## A primitive function (always in the 'base' namespace)
environment_of(abs)            ## <environment: namespace:base>
#> <environment: namespace:base>

## A package function
environment_of(mean)           ## <environment: namespace:base>
#> <environment: namespace:base>

## Another package function
environment_of(stats::median)  ## <environment: namespace:stats>
#> <environment: namespace:stats>

## A formula
environment_of(y ~ x)          ## <environment: R_GlobalEnv>
#> <environment: 0x55f41581d298>

## A non-function object
environment_of(pi)             ## NULL
#> NULL