fn_env: Return the closure environment of a function
Description
Closure environments define the scope of functions (see env()).
When a function call is evaluated, R creates an evaluation frame
that inherits from the closure environment. This makes all objects
defined in the closure environment and all its parents available to
code executed within the function.
Usage
fn_env(fn)
fn_env(x) <- value
Arguments
fn, x
A function.
value
A new closure environment for the function.
Details
fn_env() returns the closure environment of fn. There is also
an assignment method to set a new closure environment.