using System;

namespace Swan.Threading {
  /// <summary>
  /// Fast, atomic boolean combining interlocked to write value and volatile to read values.
  /// </summary>
  public sealed class AtomicBoolean : AtomicTypeBase<Boolean> {
    /// <summary>
    /// Initializes a new instance of the <see cref="AtomicBoolean"/> class.
    /// </summary>
    /// <param name="initialValue">if set to <c>true</c> [initial value].</param>
    public AtomicBoolean(Boolean initialValue = default) : base(initialValue ? 1 : 0) {
      // placeholder
    }

    /// <inheritdoc/>
    protected override Boolean FromLong(Int64 backingValue) => backingValue != 0;

    /// <inheritdoc/>
    protected override Int64 ToLong(Boolean value) => value ? 1 : 0;
  }
}