Negation Filter
class NegationFilter<TInput>(filter: IFilter<TInput, *>) : IFilter<TInput, Unit> , Iterable<IFilter<TInput, *>> (source)
A filter, which returns null
, if filter returns a non-null value, and returns a non-null value, if filter returns null
.
Parameters
TInput
The type the filter accepts
filter
The filter to negate