Moves more utilities

src/Umbraco.Core/HashCodeHelper.cs

@@ -1,104 +0,0 @@
-using System.Collections.Generic;
-
-namespace Umbraco.Core
-{
-    /// <summary>
-    /// Borrowed from http://stackoverflow.com/a/2575444/694494
-    /// </summary>
-    internal static class HashCodeHelper
-    {
-        public static int GetHashCode<T1, T2>(T1 arg1, T2 arg2)
-        {
-            unchecked
-            {
-                return 31 * arg1.GetHashCode() + arg2.GetHashCode();
-            }
-        }
-
-        public static int GetHashCode<T1, T2, T3>(T1 arg1, T2 arg2, T3 arg3)
-        {
-            unchecked
-            {
-                int hash = arg1.GetHashCode();
-                hash = 31 * hash + arg2.GetHashCode();
-                return 31 * hash + arg3.GetHashCode();
-            }
-        }
-
-        public static int GetHashCode<T1, T2, T3, T4>(T1 arg1, T2 arg2, T3 arg3,
-            T4 arg4)
-        {
-            unchecked
-            {
-                int hash = arg1.GetHashCode();
-                hash = 31 * hash + arg2.GetHashCode();
-                hash = 31 * hash + arg3.GetHashCode();
-                return 31 * hash + arg4.GetHashCode();
-            }
-        }
-
-        public static int GetHashCode<T>(T[] list)
-        {
-            unchecked
-            {
-                int hash = 0;
-                foreach (var item in list)
-                {
-                    if (item == null) continue;
-                    hash = 31 * hash + item.GetHashCode();
-                }
-                return hash;
-            }
-        }
-
-        public static int GetHashCode<T>(IEnumerable<T> list)
-        {
-            unchecked
-            {
-                int hash = 0;
-                foreach (var item in list)
-                {
-                    if (item == null) continue;
-                    hash = 31 * hash + item.GetHashCode();
-                }
-                return hash;
-            }
-        }
-
-        /// <summary>
-        /// Gets a hashcode for a collection for that the order of items
-        /// does not matter.
-        /// So {1, 2, 3} and {3, 2, 1} will get same hash code.
-        /// </summary>
-        public static int GetHashCodeForOrderNoMatterCollection<T>(
-            IEnumerable<T> list)
-        {
-            unchecked
-            {
-                int hash = 0;
-                int count = 0;
-                foreach (var item in list)
-                {
-                    if (item == null) continue;
-                    hash += item.GetHashCode();
-                    count++;
-                }
-                return 31 * hash + count.GetHashCode();
-            }
-        }
-
-        /// <summary>
-        /// Alternative way to get a hashcode is to use a fluent
-        /// interface like this:<br />
-        /// return 0.CombineHashCode(field1).CombineHashCode(field2).
-        ///     CombineHashCode(field3);
-        /// </summary>
-        public static int CombineHashCode<T>(this int hashCode, T arg)
-        {
-            unchecked
-            {
-                return 31 * hashCode + arg.GetHashCode();
-            }
-        }
-    }
-}