Unified · Split
| @@ -0,0 +1,27 @@ | ||
| 1 | + | |
| 2 | + | |
| 3 | +(= push (mac (val lst) | |
| 4 | + (list '= lst (list 'cons val lst)) | |
| 5 | +)) | |
| 6 | + | |
| 7 | + | |
| 8 | +(= for (mac (item lst . body) | |
| 9 | + (list 'do | |
| 10 | + (list 'let 'for-iter lst) | |
| 11 | + (list 'while 'for-iter | |
| 12 | + (list 'let item '(car for-iter)) | |
| 13 | + '(= for-iter (cdr for-iter)) | |
| 14 | + (cons 'do body) | |
| 15 | + ) | |
| 16 | + ) | |
| 17 | +)) | |
| 18 | + | |
| 19 | + | |
| 20 | +(= items (list "cat" "dog" "fox")) | |
| 21 | + | |
| 22 | +(push "owl" items) | |
| 23 | +(push "cow" items) | |
| 24 | + | |
| 25 | +(for x items | |
| 26 | + (print ">" x) | |
| 27 | +) | |