View source: R/formula.utilities.R
trim_env | R Documentation |
Make a copy of an environment with just the selected objects.
trim_env(object, keep = NULL, ...)
## S3 method for class 'environment'
trim_env(object, keep = NULL, ...)
## Default S3 method:
trim_env(object, keep = NULL, ...)
object |
An |
keep |
A character vector giving names of variables in the environment (including its ancestors) to copy over, defaulting to dropping all. Variables that cannot be resolved are silently ignored. |
... |
Additional arguments, passed on to lower-level methods. |
An object of the same type as object
, with updated environment.
trim_env(environment)
: A method for environment objects.
trim_env(default)
: Default method, for objects such as formula
and function
that have environment()
and environment()<-
methods.
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