Re: Automated processing of multiple books

[David Kastrup]

Simon Albrecht <address@hidden> writes:

> On 04.11.2015 19:24, David Kastrup wrote:
>> Simon Albrecht <address@hidden> writes:
>>
>>> This compiles fine inasmuch as the output is just as intended, but it
>>> does sport a:
>>>
>>> <0>"/home/simon/lilypond/tests/wrap-multiple-books.ly:17:1: error: bad
>>> expression type
>>>
>>> \printParts one.two"
>>>
>>> Is this worth a bug report about this error appearing too easily?
>> No.  You use map instead of for-each,
>
> How would I use for-each here? I’m not familiar with that.

for-each has exactly the same arguments as map but does not return a
value.

>> you use define-scheme-function instead of define-void-function.
>
> Ah, I see. I wouldn’t have thought that a function which basically
> runs print-book-with-default would classify as a void function.

What do you consider "void" then?

-- 
David Kastrup