Re: Avoid macros in SATB framework. (issue 51230043)

[tdanielsmusic]

On 2014/01/14 14:30:45, dak wrote:


https://codereview.appspot.com/51230043/diff/20001/ly/satb.ly#newcode75
> ly/satb.ly:75: #(define-once Key *unspecified*)
> I don't see that using some Scheme interface rather than providing
that facility
> on the LilyPond level makes a lot of sense.  For one thing, this will
not
> overload identifiers defined in the Guile module rather than the
parser even
> though

> Key = \key\default

> would do.

So you you mean that define-once should be added to LilyPond
as a generally available facility, or that some other
mechanism is needed?

> The goal is not just that an ordinary user finds it easy to _use_ a
particular
> template, but also that he or she finds it easy to define his own
templates.
> That's what we need to get a template ecosystem off the ground.

To do this we'll need a general mechanism for defining such built-in
templates - what the variables' names are and their defaults, and the
context structure with the variables in place - and a means of
invoking them.  Perhaps we should set up a new issue to track the
discussion of this.

Trevor


https://codereview.appspot.com/51230043/