.

cat.sh

@@ -1,3 +1,3 @@
 #!/bin/bash
 
-cat dll.js pt.js grid.js binheap.js graph.js proto.js utils.js > out.js
+cat dll.js pt.js grid.js binheap.js graph.js proto.js utils.js test.js > out.js

out.js

@@ -234,6 +234,11 @@ class Point {
 
 Pt = Point
 
+function P(...args) {
+	return new Point(...args)
+}
+
+
 class Grid {
 	constructor(w, h, fill = 0) {
 		this.width = w
@@ -653,8 +658,8 @@ Object.defineProperties(Array.prototype, {
 		}
 	},
 	sum: {
-		value: function() {
-			return this.reduce((a, b) => a + b)
+		value: function(val) {
+			return this.reduce((a, b) => a + b, val)
 		}
 	},
 	flatDeep: {
@@ -793,3 +798,4 @@ utils = {
 	createGridArray: (w, h, fill = undefined) => Array(h).fill().map(() => Array(w).fill(fill))
 }
 
+console.log(P(0, 0))

proto.js

@@ -36,8 +36,8 @@ Object.defineProperties(Array.prototype, {
 		}
 	},
 	sum: {
-		value: function() {
-			return this.reduce((a, b) => a + b)
+		value: function(val) {
+			return this.reduce((a, b) => a + b, val)
 		}
 	},
 	flatDeep: {

pt.js

@@ -62,3 +62,8 @@ class Point {
 
 Pt = Point
 
+function P(...args) {
+	return new Point(...args)
+}
+
+