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Re: conditional when-property function not working as intended
From: |
Kieren MacMillan |
Subject: |
Re: conditional when-property function not working as intended |
Date: |
Fri, 16 Sep 2016 08:37:21 -0400 |
Hi David,
Thank you for the helpful reply and documentation/explanation.
> -- Function: ly:chain-assoc-get key achain default-value
> strict-checking
> Return value for KEY from a list of alists ACHAIN. If no entry is
> found, return DEFAULT-VALUE or ‘#f’ if DEFAULT-VALUE is not
> specified. [...]
>
> DEFAULT-VALUE is specified as markp, and a markup is never #f. So your
> condition is always true when the specified KEY cannot be found.
So how could I code the when-property function so that it is false when the KEY
cannot be found?
Thank you,
Kieren.
________________________________
Kieren MacMillan, composer
‣ website: www.kierenmacmillan.info
‣ email: address@hidden
Re: conditional when-property function not working as intended, David Kastrup, 2016/09/15
- Re: conditional when-property function not working as intended,
Kieren MacMillan <=