/// <summary>
/// Copies the state of another <see cref="ButtonStates{TButton}"/> to ourselves.
/// </summary>
/// <param name="other">The <see cref="ButtonStates{TButton}"/> to copy.</param>
public void Set(ButtonStates <TButton> other)
{
pressedButtons.Clear();
pressedButtons.AddRange(other.pressedButtons);
}
/// <summary>
/// Enumerates the differences between ourselves and a previous <see cref="ButtonStates{TButton}"/>.
/// </summary>
/// <param name="lastButtons">The previous <see cref="ButtonStates{TButton}"/>.</param>
public ButtonStateDifference EnumerateDifference(ButtonStates <TButton> lastButtons) => new ButtonStateDifference(lastButtons.Except(this).ToArray(), this.Except(lastButtons).ToArray());