<PackageReference Include="System.Runtime" Version="4.0.21-beta-23409" />

ISet<T>

public interface ISet<T> : ICollection<T>, IEnumerable<T>, IEnumerable
Provides the base interface for the abstraction of sets.
bool Add(T item)

Adds an element to the current set and returns a value to indicate if the element was successfully added.

void ExceptWith(IEnumerable<T> other)

Removes all elements in the specified collection from the current set.

void IntersectWith(IEnumerable<T> other)

Modifies the current set so that it contains only elements that are also in a specified collection.

bool IsProperSubsetOf(IEnumerable<T> other)

Determines whether the current set is a proper (strict) subset of a specified collection.

bool IsProperSupersetOf(IEnumerable<T> other)

Determines whether the current set is a proper (strict) superset of a specified collection.

bool IsSubsetOf(IEnumerable<T> other)

Determines whether a set is a subset of a specified collection.

bool IsSupersetOf(IEnumerable<T> other)

Determines whether the current set is a superset of a specified collection.

bool Overlaps(IEnumerable<T> other)

Determines whether the current set overlaps with the specified collection.

bool SetEquals(IEnumerable<T> other)

Determines whether the current set and the specified collection contain the same elements.

void SymmetricExceptWith(IEnumerable<T> other)

Modifies the current set so that it contains only elements that are present either in the current set or in the specified collection, but not both.

void UnionWith(IEnumerable<T> other)

Modifies the current set so that it contains all elements that are present in the current set, in the specified collection, or in both.