Re: LilyPond boolean syntax? \true and \false

[Marc Hohl]

Am 05.01.2016 um 21:22 schrieb Thomas Morley:
[...]
> To illustrate. Look at the output from the following compiled in a ly-file:
>
> true = ##t
> false = ##f
>
> #(define v1 (vector true false true))
> #(define v2 #(true false true))
>
> #(newline)
> #(write-me "v1 " v1)
> #(write-me "v2 " v2)
>
> #(write-me "(vector-ref v1 1) is: " (vector-ref v1 1))
> #(write-me "(vector-ref v2 1) is: " (vector-ref v2 1))
>
> #(if (vector-ref v1 1)
>       (write-me "test condition for v1 " "condition is true")
>       (write-me "test condition for v1 " "condition is false"))
>
> #(if (vector-ref v2 1)
>       (write-me "test condition for v2 " "condition is true")
>       (write-me "test condition for v2 " "condition is false"))
>
> No chance to make it work this way, I'd say

Ok, I see the problem. Following the whole discussion, I think it is 
indeed the best way to just stay with ##t and ##f.

Thanks to David for sharing his insights and to Thomas Morley for the
use case above!


Marc