public static void CollectLabels <T>(this IList <T> nodes, HashSet <ILLabel> labels) where T : ILNode
{
foreach (var n in nodes)
{
ILExpression e = n as ILExpression;
if (e != null)
{
e.CollectLabels(labels); continue;
}
ILLabel label = n as ILLabel;
if (label != null)
{
labels.Add(label); continue;
}
}
}
