override public void Prepass(PrepassState state)
{
DisplayName = Name;
Expression.Prepass(state);
state.EnterScope();
state.Bind(Name);
Name = state.Rename(Name);
Recipient.Prepass(state);
state.ExitScope();
}
override public void Prepass(PrepassState state)
{
DisplayName = Name;
DisplayArgumentName = ArgumentName;
state.EnterScope();
state.Bind(Name);
Name = state.Rename(Name);
state.EnterScope();
state.Bind(ArgumentName);
ArgumentName = state.Rename(ArgumentName);
Body.Prepass(state);
state.ExitScope();
Recipient.Prepass(state);
state.ExitScope();
}