Dequeue() [1/3]

ImmutableQueue< T > System.Collections.Immutable.ImmutableQueue< T >.Dequeue ( )

inline

Implements System.Collections.Immutable.IImmutableQueue< T >.

Definition at line 280 of file ImmutableQueue.cs.

    {
        if (IsEmpty)
        {
            throw new InvalidOperationException(System.SR.InvalidEmptyOperation);
        }
        ImmutableStack<T> immutableStack = _forwards.Pop();
        if (!immutableStack.IsEmpty)
        {
            return new ImmutableQueue<T>(immutableStack, _backwards);
        }
        if (_backwards.IsEmpty)
        {
            return Empty;
        }
        return new ImmutableQueue<T>(BackwardsReversed, ImmutableStack<T>.Empty);
    }

References System.Collections.Immutable.ImmutableQueue< T >._backwards, System.Collections.Immutable.ImmutableQueue< T >._forwards, System.Collections.Immutable.ImmutableQueue< T >.BackwardsReversed, System.Collections.Immutable.ImmutableQueue< T >.Empty, System.SR.InvalidEmptyOperation, and System.Collections.Immutable.ImmutableQueue< T >.IsEmpty.

Referenced by System.Collections.Immutable.ImmutableQueue< T >.Dequeue(), and System.Collections.Immutable.ImmutableQueue< T >.Dequeue().