check_filter_datanames: Check datanames in filters
Description
This function checks whether datanames in filters correspond to those in data,
returning character vector with error messages or TRUE if all checks pass.
Usage
check_filter_datanames(filters, datanames)
Value
A character(1) containing error message or TRUE if validation passes.
Arguments
- filters
(teal_slices) object
- datanames
(character) names of datasets available in the data object