call_extract_list: Compose extract call with $ operator
Description
Compose extract call with $ operator
Usage
call_extract_list(dataname, varname, dollar = TRUE)
Value
Extract()
call in $ or [[ notation (depending on parameters).
Arguments
- dataname
(character(1) or name) name of the object.
- varname
(character(1) or name) name of the slot in data.
- dollar
(logical(1)) whether returned call should use $ or [[ operator.