From fe53b78ba3d2b66dd1e9e23372a12b0ccb45d8c1 Mon Sep 17 00:00:00 2001
From: Denis Feklushkin <denis.feklushkin@gmail.com>
Date: Wed, 18 Oct 2017 07:07:36 +0700
Subject: [PATCH] types.d from upstream

---
 src/dlangui/core/types.d | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/dlangui/core/types.d b/src/dlangui/core/types.d
index 05110c13..a735bcb6 100644
--- a/src/dlangui/core/types.d
+++ b/src/dlangui/core/types.d
@@ -50,12 +50,18 @@ struct Point {
     int x;
     int y;
 
-    Point opBinary(string op)(Point v) if (op == "+") {
+    Point opBinary(string op)(Point v) const if (op == "+") {
         return Point(x + v.x, y + v.y);
     }
-    Point opBinary(string op)(Point v) if (op == "-") {
+    Point opBinary(string op)(int n) const if (op == "*") {
+        return Point(x * n, y * n);
+    }
+    Point opBinary(string op)(Point v) const if (op == "-") {
         return Point(x - v.x, y - v.y);
     }
+    Point opUnary(string op)() const if (op == "-") {
+        return Point(-x, -y);
+    }
     int opCmp(ref const Point b) const {
         if (x == b.x) return y - b.y;
         return x - b.x;