11-compare.scm (564B)
1 ;; Step-10c numeric comparison primitives: = < > <= >=. 2 ;; 3 ;; All binary; result is #t or #f (step-10c singletons). The ladder 4 ;; nests #t-guards and witnesses the #f-side by inverting with a `0` 5 ;; tail, so a primitive that returns the wrong singleton short-circuits. 6 (if (= 5 5) 7 (if (< 3 5) 8 (if (> 5 3) 9 (if (<= 5 5) 10 (if (<= 4 5) 11 (if (>= 5 5) 12 (if (>= 6 5) 13 (if (if (= 5 6) 0 1) 14 (if (if (< 5 3) 0 1) 15 (if (if (>= 3 5) 0 1) 16 42 0) 0) 0) 0) 0) 0) 0) 0) 0) 0)