Subject: Re: have-child? method From: Daniel Speck <dspeck@xxxxxxx> Date: Tue, 22 Jun 1999 09:10:13 -0400 |
Guillaume, I would do something like: (define (have-child? gi) (let ((matching-children (select-elements (children (current-node)) gi)) (if (node-list-empty? matching-children) #f #t))) You might want to make the node to test an optional parameter defaulting to (current-node). -dan Guillaume Rouchy wrote: > Hello, > > I would like to know if a node contains a specific child. Exactly as the > "have-ancestor?" method do but in the other way. I know that no > "have-child?" exists... how can I do this ? -- Daniel Speck Bureau of National Affairs, Inc. Voice: +1 202.452.6596 1231 25th Street, NW Fax: +1 202.331.5178 Washington, DC 20037 e-mail: dspeck@xxxxxxx DSSSList info and archive: http://www.mulberrytech.com/dsssl/dssslist
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