public static TAstElement Descendant <TAstElement>(this IAstElement ancestor)
where TAstElement : IAstElement
{
Argument.RequireNotNull("ancestor", ancestor);
return(ancestor.Descendants <TAstElement>().SingleOrDefault());
}
public static IEnumerable <TAstElement> Descendants <TAstElement>(this IAstElement ancestor)
where TAstElement : IAstElement
{
Argument.RequireNotNull("ancestor", ancestor);
return(ancestor.Descendants().OfType <TAstElement>());
}
