Add reducible

1 files changed, 20 insertions, 0 deletions

diff --git a/algebraic-structures.reducible.scm b/algebraic-structures.reducible.scm
new file mode 100644
index 0000000..ce9d1b3
--- /dev/null
+++ b/algebraic-structures.reducible.scm
@@ -0,0 +1,20 @@
+(functor ((algebraic-structures reducible) (R (reduce)))
+    (reduce
+     maximum
+     minimum)
+  (import scheme
+          R)
+
+  (define (minimum xs less?)
+    (reduce (lambda (e acc)
+              (if (less? e acc)
+                  e
+                  acc))
+            xs))
+
+  (define (maximum xs less?)
+    (reduce (lambda (e acc)
+              (if (less? e acc)
+                  acc
+                  e))
+            xs)))