interface VariantSet.NonEmpty<T>

A non-empty type-variant immutable Set of value type T. In the Set, there are no duplicate values. See the Set documentation and the VariantSet API documentation

Type parameters

Name	Description
T	the value type

note

Type-variance means that both the value type can be widened in a type-safe way without casting. @note As a consequence of being variant, the type does not contain methods that (can) add new elements to the collection.