/// <summary>
/// A stream that gives the updates/steps for a behavior.
/// </summary>
/// <typeparam name="T">The type of the values in the behavior.</typeparam>
/// <param name="b"></param>
/// <returns></returns>
/// <remarks>
/// This is an OPERATIONAL primitive, which is not part of the main Sodium
/// API. It breaks the property of non-detectability of behavior steps/updates.
/// The rule with this primitive is that you should only use it in functions
/// that do not allow the caller to detect the behavior updates.
/// </remarks>
public static Stream <T> Updates <T>(Behavior <T> b) => Transaction.Apply(
(trans, _) => b.Updates().Coalesce(trans, (left, right) => right),
false);
/// <summary> /// A stream that is guaranteed to fire once upon listening, giving the current /// value of a behavior, and thereafter gives the updates/steps for the behavior. /// </summary> /// <typeparam name="T">The type of the values in the behavior.</typeparam> /// <param name="b"></param> /// <returns></returns> /// <remarks> /// This is an OPERATIONAL primitive, which is not part of the main Sodium /// API. It breaks the property of non-detectability of behavior steps/updates. /// The rule with this primitive is that you should only use it in functions /// that do not allow the caller to detect the behavior updates. /// </remarks> public static Stream <T> Value <T>(Behavior <T> b) => Transaction.Apply((trans, _) => b.Value(trans), false);
private CellSink(CellStreamSink <T> streamSink, Behavior <T> behavior)
: base(behavior) => this.StreamSink = streamSink;