diff options
| author | Hugo Hörnquist <hugo@lysator.liu.se> | 2023-02-21 03:21:43 +0100 |
|---|---|---|
| committer | Hugo Hörnquist <hugo@lysator.liu.se> | 2023-09-11 19:58:54 +0200 |
| commit | c26324e29043423387c3041e86d8cbe5cd4102b2 (patch) | |
| tree | 6395e01b19572bbc22487115e52cadd1f39fafcf /module/hnh | |
| parent | Fix seeding of UUIDs. (diff) | |
| download | calp-c26324e29043423387c3041e86d8cbe5cd4102b2.tar.gz calp-c26324e29043423387c3041e86d8cbe5cd4102b2.tar.xz | |
Change `kvlist->assq` and `group-by` to return pairs.
Each value in the return of group-by must have exactly two values, so
cons pairs (instead of lists) is much better.
Diffstat (limited to 'module/hnh')
| -rw-r--r-- | module/hnh/util.scm | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/module/hnh/util.scm b/module/hnh/util.scm index a6581158..bbb1a5ec 100644 --- a/module/hnh/util.scm +++ b/module/hnh/util.scm @@ -338,7 +338,8 @@ (define (kvlist->assq kvlist) (map (lambda (pair) - (cons (keyword->symbol (car pair)) (cdr pair))) + (cons (keyword->symbol (car pair)) + (cadr pair))) (group kvlist 2))) (define* (assq-limit alist optional: (number 1)) @@ -351,10 +352,7 @@ (for value in lst (let ((key (proc value))) (hash-set! h key (cons value (hash-ref h key '()))))) - ;; TODO change this 'list' to 'cons'. - ;; It will give a "proper" alist, and also allows the output to work - ;; with assq-merge - (hash-map->list list h))) + (hash-map->list cons h))) ;; (split-by '(0 1 2 3 4 2 5 6) 2) ;; ⇒ ((0 1) (3 4) (5 6)) |