Hi Aaron;
I **LIKE** it.
Thanks,
Ken Wolcott
On Sat, Mar 19, 2022 at 5:54 PM Aaron Hill <lilyp...@hillvisions.com> wrote:
>
> On 2022-03-19 5:46 pm, Thomas Morley wrote:
> > Am So., 20. März 2022 um 00:02 Uhr schrieb Aaron Hill
> > <lilyp...@hillvisions.com>:
> >>
> >> Here would be a possible refactoring:
> >>
> >> %%%%
> >> \version "2.22.0"
> >>
> >> partial =
> >> #(define-music-function (mus) (ly:music?)
> >> (_i "Make a partial measure.")
> >> (let* ((mom (ly:music-length mus))
> >> (dur (make-duration-of-length mom)))
> >> (make-music 'SequentialMusic
> >> 'elements
> >> (list (context-spec-music
> >> (make-music 'PartialSet
> >> 'origin (*location*)
> >> 'duration dur)
> >> 'Timing)
> >> mus))))
> >>
> >>
> >> \fixed c' {
> >> \time 3/4
> >> \partial { g8 a4 }
> >> | g2. \bar "||"
> >> \partial { \grace { g16 } a8 b }
> >> | a2. \bar "||"
> >> \partial \tuplet 3/2 { g8 fis }
> >> | g2. \bar "|."
> >> }
> >> %%%%
> >>
> >> A convert-ly rule would probably not be possible given the limited
> >> power
> >> of regular expressions. As such, \partial might need to support both
> >> duration and music arguments. Initially I thought this might not be
> >> possible, given that a naked duration can be treated as music; but the
> >> following does seem to work:
> >>
> >> %%%%
> >> \version "2.22.0"
> >>
> >> #(define (duration-or-music? arg)
> >> (or (ly:duration? arg) (ly:music? arg)))
> >>
> >> partial =
> >> #(define-music-function (arg) (duration-or-music?)
> >> (_i "Make a partial measure.")
> >> (if (ly:duration? arg)
> >> (context-spec-music
> >> (make-music 'PartialSet
> >> 'origin (*location*)
> >> 'duration arg)
> >> 'Timing)
> >> (let* ((mom (ly:music-length arg))
> >> (dur (make-duration-of-length mom)))
> >> (make-music 'SequentialMusic
> >> 'elements
> >> (list (context-spec-music
> >> (make-music 'PartialSet
> >> 'origin (*location*)
> >> 'duration dur)
> >> 'Timing)
> >> arg)))))
> >>
> >>
> >> \fixed c' {
> >> \time 3/4
> >> \partial 4. g8 a4 %% Original syntax works.
> >> | g2. \bar "||"
> >> \partial { \grace { g16 } a8 b }
> >> | a2. \bar "||"
> >> \partial \tuplet 3/2 { g8 fis }
> >> | g2. \bar "|."
> >> }
> >> %%%%
> >>
> >>
> >> -- Aaron Hill
> >
> > Hi Aaron,
> >
> > I really like it! Always wondered why we need to specify a duration,
> > if it can be taken from the music.
> > I'd suggest to propose it on devel. Preferable the second coding,
> > because we could nicely deprecate the old syntax for some versions.
>
> *facepalm* I thought I was sending to devel. Well, folks on user might
> want to chime in too.
>
>
> -- Aaron Hill
>
