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Diffstat (limited to 'module/hnh/util/tree.scm')
| -rw-r--r-- | module/hnh/util/tree.scm | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/module/hnh/util/tree.scm b/module/hnh/util/tree.scm index 95328b5f..34e10365 100644 --- a/module/hnh/util/tree.scm +++ b/module/hnh/util/tree.scm @@ -1,5 +1,6 @@ (define-module (hnh util tree) #:use-module (srfi srfi-1) + #:use-module (srfi srfi-71) #:use-module (hnh util) #:export (make-tree left-subtree right-subtree @@ -13,8 +14,8 @@ ;; both it's children equal to @var{null}. (define (make-tree pred? lst) (unless (null? lst) - (let* ((head tail (partition (lambda (el) (pred? (car lst) el)) - (cdr lst)))) + (let ((head tail (partition (lambda (el) (pred? (car lst) el)) + (cdr lst)))) (list (car lst) (make-tree pred? head) (make-tree pred? tail))))) |