private static IList <IRouteValueProjection> Expand(this IRouteValueProjection projection)
{
var chained = projection as ChainedRouteValueProjection;
return(chained != null ? chained.Projections : new[] { projection });
}
/// <summary>
/// Joins two projections into the chain.
/// </summary>
/// <param name="first">The first projection.</param>
/// <param name="second">The second projection.</param>
/// <returns>The chained projection.</returns>
public static ChainedRouteValueProjection And(this IRouteValueProjection first, IRouteValueProjection second)
{
return(new ChainedRouteValueProjection(first.Expand().Concat(second.Expand())));
}
