diff options
-rw-r--r-- | net/ricketyspace/sicp/two/twentyone.scm | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/net/ricketyspace/sicp/two/twentyone.scm b/net/ricketyspace/sicp/two/twentyone.scm new file mode 100644 index 0000000..8ad559e --- /dev/null +++ b/net/ricketyspace/sicp/two/twentyone.scm @@ -0,0 +1,14 @@ +;;;; License: CC0-1.0 + +(define-module (net ricketyspace sicp two twentyone) + #:export (square-list-v1 + square-list-v2)) + +(define (square-list-v1 items) + (if (null? items) + items + (cons (* (car items) (car items)) + (square-list-v1 (cdr items))))) + +(define (square-list-v2 items) + (map (lambda (x) (* x x)) items)) |