Merge pull request #168 from UnityTech/slider

remove utils folder

Runtime/material/mergeable_material.cs

 using Unity.UIWidgets.painting;
 using Unity.UIWidgets.rendering;
 using Unity.UIWidgets.ui;
-using Unity.UIWidgets.utils;
 using Unity.UIWidgets.widgets;
 
 namespace Unity.UIWidgets.material {

Runtime/painting/basic_types.cs

 using System;
 using Unity.UIWidgets.ui;
+using Unity.UIWidgets.widgets;
 
 namespace Unity.UIWidgets.painting {
     public enum RenderComparison {
         right,
         down,
         left,
+    }
+    
+    public static class AxisDirectionUtils {
+        public static AxisDirection? getAxisDirectionFromAxisReverseAndDirectionality(
+            BuildContext context,
+            Axis axis,
+            bool reverse) {
+            switch (axis) {
+                case Axis.horizontal:
+                    return reverse ? AxisDirection.left : AxisDirection.right;
+                case Axis.vertical:
+                    return reverse ? AxisDirection.up : AxisDirection.down;
+            }
+
+            return null;
+        }
     }
 
     public static class AxisUtils {

Runtime/widgets/basic.cs

 using Unity.UIWidgets.painting;
 using Unity.UIWidgets.rendering;
 using Unity.UIWidgets.ui;
-using Unity.UIWidgets.utils;
 using UnityEngine;
 using Color = Unity.UIWidgets.ui.Color;
 using Rect = Unity.UIWidgets.ui.Rect;

Runtime/widgets/drag_target.cs

 using Unity.UIWidgets.painting;
 using Unity.UIWidgets.rendering;
 using Unity.UIWidgets.ui;
-using Unity.UIWidgets.utils;
 
 namespace Unity.UIWidgets.widgets {
     public delegate bool DragTargetWillAccept<T>(T data);
     public enum DragAnchor {
         child,
         pointer
+    }
+    
+    static class _DragUtils {
+        public static List<T> _mapAvatarsToData<T>(List<_DragAvatar<T>> avatars) {
+            return avatars.Select(avatar => avatar.data).ToList();
+        }
     }
 
     public class Draggable<T> : StatefulWidget {
             return new MetaData(
                 metaData: this,
                 behavior: HitTestBehavior.translucent,
-                child: this.widget.builder(context, DragUtils._mapAvatarsToData(this._candidateAvatars),
-                    DragUtils._mapAvatarsToData(this._rejectedAvatars)));
+                child: this.widget.builder(context, _DragUtils._mapAvatarsToData(this._candidateAvatars),
+                    _DragUtils._mapAvatarsToData(this._rejectedAvatars)));
         }
     }
 

Runtime/widgets/single_child_scroll_view.cs

 using Unity.UIWidgets.painting;
 using Unity.UIWidgets.rendering;
 using Unity.UIWidgets.ui;
-using Unity.UIWidgets.utils;
 using UnityEngine;
 using Rect = Unity.UIWidgets.ui.Rect;
 

Runtime/utils.meta

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