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author | Hugo Hörnquist <hugo@lysator.liu.se> | 2022-06-12 21:09:35 +0200 |
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committer | Hugo Hörnquist <hugo@lysator.liu.se> | 2022-06-13 04:11:35 +0200 |
commit | 73a4bfc3d8e9bb5365e33a11a6ad3b8340d5195b (patch) | |
tree | e52324edc63a240e5c0b88081c325f789168a4c5 /module/hnh/util/tree.scm | |
parent | Document timespec and zic. (diff) | |
download | calp-73a4bfc3d8e9bb5365e33a11a6ad3b8340d5195b.tar.gz calp-73a4bfc3d8e9bb5365e33a11a6ad3b8340d5195b.tar.xz |
Remove custom let*.
While it was nice, the most important part was the multi-valued let from
srfi-71 (which is implemented in srfi-71)). The minor pattern matching
structures could often be replaced with car+cdr, or a propper match.
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))))) |