Alec Bartsch <[email protected]> writes:
> On Sep 19, 2013, at 12:35 PM, David Kastrup <[email protected]> wrote:
>
>> 4 is a number. You want (ly:make-duration 2 0) instead.
>
> OK, great, this version is going in my jazz \include and will tighten up my
> code considerably:
>
> triplet = #(define-music-function (parser location tuplet-span music)
>
> ((ly:duration? (ly:make-duration 2 0)) ly:music?)
> #{
> \tuplet 3/2 $tuplet-span { $music }
> #})
When in doubt, you can always make do with the following:
triplet = #(define-music-function (parser location tuplet-span music)
((ly:duration?) ly:music?)
(if tuplet-span
#{
\tuplet 3/2 $tuplet-span $music
#}
#{
\tuplet 3/2 4 $music
#}))
Just using the default #f for a defaulted value can save a lot of
thinking sometimes.
--
David Kastrup
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