That's the original code still!! We have already told you how to fix it, and it does not give the errors you want us to look at.

However, I think I guessed what you are doing wrong: setting local *func or my $func after the point where it's used. 

# BAD
sub outer {
   my $var;
   ($t, @y) = rkXXX(\@y, $dydt, $t, $dt);
   my $dydt = sub { ... };
}

# Good
sub outer {
   my $var;
   my $dydt = sub { ... };
   ($t, @y) = rkXXX(\@y, $dydt, $t, $dt);
}

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In reply to Re^8: Closures and undefined subs by ikegami
in thread Closures and undefined subs by Anonymous Monk

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