--- a/doodle/tk/geometry.d	Wed Aug 04 16:36:07 2010 +0930
+++ b/doodle/tk/geometry.d	Wed Aug 04 16:36:32 2010 +0930
@@ -24,15 +24,9 @@
 //
 
 struct Point {
-    static immutable Point DEFAULT;
-
-    static this() {
-        DEFAULT = Point(0.0, 0.0);
-    }
+    static immutable Point DEFAULT = Point(0.0, 0.0);
 
     this(in double x, in double y) {
-        assert(!isnan(x));
-        assert(!isnan(y));
         _x = x;
         _y = y;
     }
@@ -74,15 +68,9 @@
 //
 
 struct Vector {
-    static Vector DEFAULT;
-
-    static this() {
-        DEFAULT = Vector(0.0, 0.0);
-    }
+    static Vector DEFAULT = Vector(0.0, 0.0);
 
     this(in double x, in double y) {
-        assert(!isnan(x));
-        assert(!isnan(y));
         _x = x;
         _y = y;
     }
@@ -344,7 +332,7 @@
     }
 
     private {
-        Point _point;           // Arbitrary point along line
+        Point  _point;           // Arbitrary point along line
         Vector _gradient;
     }
 }