Apply and, apply or. Close 116

kiss/src/kiss/Macros.hx

@@ -111,6 +111,8 @@ class Macros {
             "zipDrop" => "Prelude.zipDrop",
             "concat" => "Prelude.concat",
             "intersect" => "Prelude.intersect",
+            "and" => "Prelude.and",
+            "or" => "Prelude.or"
         ];
         k.doc("apply", 2, 2, '(apply <func> <argList>)' );
         macros["apply"] = (wholeExp:ReaderExp, exps:Array<ReaderExp>, k) -> {

kiss/src/kiss/Prelude.hx

@@ -57,6 +57,26 @@ class Prelude {
         };
     }
 
+    static function _and(values:Array<Dynamic>):Dynamic {
+        for (value in values) {
+            if (!truthy(value)) {
+                return false;
+            }
+        }
+        return values[values.length - 1];
+    }
+    public static var and:Function = Reflect.makeVarArgs(_and);
+
+    static function _or(values:Array<Dynamic>):Dynamic {
+        for (value in values) {
+            if (truthy(value)) {
+                return value;
+            }
+        }
+        return false;
+    }
+    public static var or:Function = Reflect.makeVarArgs(_or);
+
     // Kiss arithmetic will incur overhead because of these switch statements, but the results will not be platform-dependent
     static function _add(values:Array<Dynamic>):Dynamic {
         var sum:Dynamic = values[0];