Data update

Task/Function-definition/YAMLScript/function-definition.ys

@@ -0,0 +1,15 @@
+!yamlscript/v0
+
+# Main function definition with variable arguments:
+defn main(*args):
+  say: "multiply($(args.join(', ')))
+        -> $multiply(args*)"
+
+# A multi-arity function definition:
+defn multiply:
+  (): 1
+  (x): x
+  (x y): x * y
+  (x y *more):
+    reduce multiply:
+      multiply(x y) more