public static Expando operator +(Expando e1, Expando e2)
{
if (e1 == null && e2 == null)
{
return(null);
}
e1 = e1 ?? new Expando();
e2 = e2 ?? new Expando();
var result = new Expando(e1);
e2.Keys.ForEach(k => result.Add(k, e2[k]));
return(result);
}
public Object Invoke(InvokeBinder binder, Object[] args)
{
var map = args.ToDictionary((arg, i) => binder.CallInfo.ArgumentNames[i], arg => arg);
var result = new Expando();
this.Keys.ForEach(k =>
{
var v = this[k];
var s = (v as String).Extract(@"^\$(?<key>.*)$");
if (s != null && map.ContainsKey(s))
{
v = map[s];
}
result.Add(k, v);
});
return(result);
}