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Re: LilyPond boolean syntax? \true and \false


From: Marc Hohl
Subject: Re: LilyPond boolean syntax? \true and \false
Date: Tue, 5 Jan 2016 18:14:13 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0

Am 05.01.2016 um 18:06 schrieb Abraham Lee:
On Tuesday, January 5, 2016, Paul Morris <address@hidden> wrote:

Thanks to David Kastrup’s work there’s now much less need to use scheme
syntax in overrides etc. (e.g. the dot syntax instead of #' and no longer
needing # for numbers).  This has really simplified things for users.

As another small step along these lines, would it make sense to free
booleans from the ##t and ##f syntax?  Compare:

   \override Context.Grob.property = ##t

   \override Context.Grob.property = ##f

   \override Context.Grob.property = \true

   \override Context.Grob.property = \false

Providing \true and \false would (1) allow users to stay in familiar
LilyPond syntax (avoiding the awkward double ## that’s unintuitive to new
users) and (2) improve readability by using the whole word.  (I for one
find it hard to quickly see the difference between ##f and ##t at a glance.)

Implementation would be trivial, of course:

   true = ##t
   false = ##f

Thoughts?
-Paul

P.S. Guile 2.0 introduces #true and #false as alternatives to #t and #f
per R7RS, presumably for better readability:
https://www.gnu.org/software/guile/manual/html_node/Booleans.html


+1

+1 from me, too.

Marc




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