has_results: Check which results a Z* object has.
Description
If the results are availbale (i.e. variants have been run) then the variant
should have a list object containing the results.
Usage
has_results(x)# S4 method for Zresults
has_results(x)
# S4 method for Zvariant
has_results(x)
Value
list of logical values
Details
The value returned is a list of logical where key of each element corresponds
to a specific type of results.