source file of the GNU LilyPond music typesetter
- (c) 2006 Erik Sandberg <mandolaerik@gmail.com>
+ (c) 2006--2007 Erik Sandberg <mandolaerik@gmail.com>
*/
#include "scheme-listener.hh"
LY_DEFINE (ly_make_listener, "ly:make-listener",
1, 0, 0, (SCM callback),
- "Creates a listener. Any time the listener hears\n"
- " an object, it will call @var{callback}\n"
- " with that object.\n"
+ "Create a listener. Any time the listener hears an object,"
+ " it will call @var{callback} with that object.\n"
"\n"
- " @var{callback} should take exactly one argument." )
+ "@var{callback} should take exactly one argument.")
{
- SCM_ASSERT_TYPE (scm_procedure_p (callback), callback, SCM_ARG1, __FUNCTION__, "procedure");
+ LY_ASSERT_TYPE (ly_is_procedure, callback, 1);
Scheme_listener *l = new Scheme_listener (callback);
SCM listener = GET_LISTENER (l->call).smobbed_copy ();
l->unprotect ();