This PR refactors meta_setup so that it doesn't use the parent environment to setup up calls, instead it uses a dedicated environment setup_env similar to dplyr's context environment.
This change entails some adjustment to the over-across functions and their tests.
This PR refactors
meta_setupso that it doesn't use the parent environment to setup up calls, instead it uses a dedicated environmentsetup_envsimilar to dplyr's context environment.This change entails some adjustment to the over-across functions and their tests.