New file

test-opt2.scm

@@ -0,0 +1,23 @@
+(import (scheme base)
+        (scheme char)
+        (scheme file)
+        (scheme lazy)
+        (scheme read)
+        (scheme write)
+        (scheme eval)
+)
+
+(define (assert:equal msg actual expected)
+  (if (not (equal? actual expected))
+      (error "Unit test failed [" msg "] actual [" actual "] expected [" expected "]")
+      (set! *num-passed* (+ *num-passed* 1))))
+;; Adder example
+(define (make-adder x)
+  (lambda (y) (+ x  y)))
+(define decrement (make-adder -1))
+(assert:equal "Adder #2" (decrement 42) 41)
+
+(assert:equal "Application example"
+  ((lambda (x) x) (+ 41 1))
+  42)
+