These functions have been soft-deprecated in rlang 0.2.0. Please
use as_data_mask() and new_data_mask() instead. We no longer
require the mask to be cleaned up so overscope_clean() does not
have a replacement.
as_overscope(quo, data = NULL)new_overscope(bottom, top = NULL, enclosure = base_env())
overscope_clean(overscope)
A quosure.
A data frame or named vector of masking data.
The environment containing masking objects if the data mask is one environment deep. The bottom environment if the data mask comprises multiple environment.
The last environment of the data mask. If the data mask
is only one environment deep, top should be the same as
bottom.
The parent argument of new_data_mask().
A data mask.