Le mercredi 20 septembre 2023 à 20:37 +0200, Mauro Levra a écrit :
> Without the empty '() in the else branch, when the if condition is false
> nothing is returned to the #@ operator.
Well, that “nothing” actually is something — it's *unspecified* , a
special value used in Guile when a value is
On 17/09/2023 00:11, Jean Abou Samra wrote:
Is is possible to conditionally execute the #@ expression based on
whether the 'textArray' variable is bound?
\version "2.24.2"
textArray = <<
{ \lyricmode { \set stanza = "1" fo -- o bar } }
{ \lyricmode { \set stanza = "2" fo -- o bar } }
> Is is possible to conditionally execute the #@ expression based on
> whether the 'textArray' variable is bound?
\version "2.24.2"
textArray = <<
{ \lyricmode { \set stanza = "1" fo -- o bar } }
{ \lyricmode { \set stanza = "2" fo -- o bar } }
>>
\score {
<<
\new Voice = "soprano" {
Wonderful! Thank you very much. It works perfectly.
Is is possible to conditionally execute the #@ expression based on
whether the 'textArray' variable is bound?
I have tried, but I have not succeeded. As a workaround I have defined
an empty 'textArray' in my head.ly which is sometimes redefine
Hi,
Try
\version "2.24.2"
textArray = <<
{ \lyricmode { \set stanza = "1" fo -- o bar } }
{ \lyricmode { \set stanza = "2" fo -- o bar } }
>>
\score {
<<
\new Voice = "soprano" { c'1 1 1 }
#@(map (lambda (mus) #{ \new Lyrics { \lyricsto "soprano" { #mus } } #})
(ly:musi
