Re: PATCH: accessors for note-column's dot-column, accidentals

[Carl Sorensen]

On 4/4/10 12:20 PM, "Joe Neeman" <address@hidden> wrote:

> On Sun, 2010-04-04 at 11:46 +0200, Nicolas Sceaux wrote:
>> +LY_DEFINE (ly_note_column__accidentals,
>> "ly:note-column::accidentals",
>> +          1, 0, 0, (SCM note_column),
>> +          "Return the first accidentals found in @var{note_column},
>> or #f.")
> 
> Why not use DECLARE_SCHEME_CALLBACK and DEFINE_SCHEME_CALLBACK instead
> of LY_DEFINE?


For purposes of adding to Extending LilyPond, can you explain how one would
decide when to use LY_DEFINE and when to use DECLARE_SCHEME_CALLBACK and
DEFINE_SCHEME_CALLBACK?

Thanks,

Carl