/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 1997--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
LilyPond is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
smobify_self ();
}
-Music_iterator::Music_iterator (Music_iterator const &)
-{
- assert (false);
-}
-
Music_iterator::~Music_iterator ()
{
}
void
Music_iterator::substitute_outlet (Context *f, Context *t)
{
- if (get_outlet () == f)
- set_context (t);
- derived_substitute (f, t);
+ if (f != t)
+ {
+ if (get_outlet () == f)
+ set_context (t);
+ derived_substitute (f, t);
+ }
}
void