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authorbd <bdunahu@operationnull.com>2024-06-09 23:20:44 -0600
committerbd <bdunahu@operationnull.com>2024-06-09 23:20:44 -0600
commitefb4865c81bfef747428303d5388fb1889db5769 (patch)
treefd27b383cb6c53f64faee37ec543052f14a21b4c /basics.scm
parente29188413ec6c3243f7965b4408459a7517539b3 (diff)
Cleanup repository
Diffstat (limited to 'basics.scm')
-rw-r--r--basics.scm52
1 files changed, 0 insertions, 52 deletions
diff --git a/basics.scm b/basics.scm
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--- a/basics.scm
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-;;;; variables
-(define my-var 15)
-my-var
-
-;; set to something else
-(set! my-var 20)
-
-;;;; functions
-(define (find value lst)
- (if (pair? lst)
- (begin
- (display (string-append "Looking at: " (number->string (car lst))
- "\n"))
- (if (equal? (car lst) value)
- (begin (display "Found it!\n")
- (car lst))
- (find value (cdr lst))))
- #f))
-
-(find 5 '(1 2 3 4 5 6))
-
-;; note that variables and functions exist in the same
-;; namespace, and that we can define functions in a
-;; slightly more ugly way, but looks a lot like a var
-;; declaration:
-(define find-x (lambda (value lst)
- (if (pair? lst)
- (begin
- (display (string-append "Looking at: " (number->string (car lst))
- "\n"))
- (if (equal? (car lst) value)
- (begin (display "Found it!\n")
- (car lst))
- (find value (cdr lst))))
- #f)))
-
-(find-x 4 '(1 2 3 4 5 6))
-
-;;;; let
-
-;; let as a looping construct
-(let find-loop ((value 5)
- (lst '(1 2 3 4 5)))
- (if (pair? lst)
- (begin
- (display (string-append "Looking at: " (number->string (car lst))
- "\n"))
- (if (equal? (car lst) value)
- (begin (display "Found it!\n")
- (car lst))
- (find-loop value (cdr lst))))
- #f))