Struct ScyllaRingBuffer<T>.ReverseEnumerator

Value-type reverse enumerator for ScyllaRingBuffer<T> that enables allocation-free iteration in newest-to-oldest order.

Inherited Members

ValueType.Equals(object)

ValueType.GetHashCode()

ValueType.ToString()

object.Equals(object, object)

object.GetType()

object.ReferenceEquals(object, object)

Namespace: Scylla.Core.Structures

Assembly: ScyllaCore.dll

Syntax

public struct ScyllaRingBuffer<T>.ReverseEnumerator

Remarks

The enumerator captures snapshots of _count and _tail at construction time to determine the starting physical position and iteration bound. The newest element's physical index is computed as _tail - 1 with wraparound. Subsequent elements are obtained by subtracting one from the physical index (with wraparound) at each step.

Modifications to the ring buffer during enumeration are not detected and may produce unpredictable results.

Constructors

ReverseEnumerator(ScyllaRingBuffer<T>)

Initializes a new reverse enumerator for the specified ring buffer, capturing a snapshot of the buffer's current tail and count.

Declaration

public ReverseEnumerator(ScyllaRingBuffer<T> ringBuffer)

Parameters

Type	Name	Description
ScyllaRingBuffer<T>	ringBuffer	The ring buffer to enumerate in reverse. Must not be null.

Properties

Current

Gets the element at the current enumerator position.

Declaration

public readonly T Current { get; }

Property Value

Type	Description
T	The element at the current reverse-order step. Undefined before the first call to MoveNext() and after MoveNext() returns false.

Methods

MoveNext()

Advances the enumerator to the next element in newest-to-oldest order and updates Current.

Declaration

public bool MoveNext()

Returns

Type	Description
bool	true if the enumerator was successfully advanced to the next element; false if the enumerator has passed the end of the reverse iteration.

Remarks

The physical index is computed as _newestPhysical - _index, with wraparound applied when the result is negative (i.e., when iterating past the start of the backing array).