Thomas Morley <[email protected]> writes: > 2016-03-23 12:45 GMT+01:00 David Kastrup <[email protected]>: > >> I think that the old >> >> drumPitchNames #'slap = #'slap >> >> has worked for a long long time (quite earlier than 2.12). But it's >> quite underdocumented. I think it caught me by surprise when I first >> discovered it in the parser. > > /lilypond-git (master)$ git grep 'drumPitchNames' > Documentation/misc/ChangeLog-2.10: * ly/drumpitch-init.ly > (drumPitchNames): add tamtam. > lily/parser.yy: SCM nn = parser->lexer_->lookup_identifier > ("drumPitchNames"); > lily/parser.yy: SCM nn = parser->lexer_->lookup_identifier > ("drumPitchNames"); > ly/drumpitch-init.ly:drumPitchNames = > > Is not exactly what I would call _under_documented.
I was talking about the alist assignment syntax, not drumPitchNames in particular. > Though, I'm not sure I understand all yet. > > Do the following two lines the same? > drumPitchNames.bla = #'bla > #(set! drumPitchNames (acons 'foo 'foo drumPitchNames)) You mean, apart from 'bla not being 'foo ? Yes. > How to put in a list? The following looks a bit clumsy. > #(for-each > (lambda (sys) (set! drumPitchNames (acons sys sys drumPitchNames))) > '(aa ab ac ad ae af))) > #(pretty-print (take drumPitchNames 10)) drumPitchNames.aa = #'aa drumPitchNames.ab = #'ab ... Programmatically, I'd not set drumPitchNames repeatedly. Just use drumPitchNames = #(fold (lambda (n l) (acons n n l)) drumPitchNames '(aa ab ac ad ae af)) -- David Kastrup _______________________________________________ lilypond-user mailing list [email protected] https://lists.gnu.org/mailman/listinfo/lilypond-user
