2, 0, 0, (SCM performance, SCM filename),
"Write @var{performance} to @var{filename}")
{
- LY_ASSERT_FIRST_TYPE (unsmob_performance, performance);
- LY_ASSERT_TYPE(scm_is_string, 2);
+ LY_ASSERT_TYPE (unsmob_performance, performance, 1);
+ LY_ASSERT_TYPE (scm_is_string, filename, 2);
unsmob_performance (performance)->write_output (ly_scm2string (filename));
return SCM_UNSPECIFIED;