Description Slots Extends Author(s) See Also
This class represents the union of two filters, which is itself a filter
that can be incorporated in to further set operations. unionFilter
s
are constructed using the binary set operator "|"
with operands
consisting of a single filter
or list of filters
.
filters
Object of class "list"
, containing the component filters.
filterId
Object of class "character"
referencing the filter applied.
Class "filter"
, directly.
B. Ellis
Other setOperationFilter classes:
complementFilter-class
,
intersectFilter-class
,
setOperationFilter-class
,
subsetFilter-class
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