Added generic version of Comparer

Comparer[T].cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+
+namespace Platform.Comparers
+{
+    public class Comparer<T> : IComparer<T>
+    {
+        private readonly Func<T, T, int> _compare;
+
+        public Comparer(IComparer<T> comparer)
+            : this(comparer.Compare)
+        {
+        }
+
+        public Comparer(Func<T, T, int> compare) => _compare = compare;
+
+        public int Compare(T x, T y) => _compare(x, y);
+
+        public static implicit operator Comparer<T>(Func<T, T, int> compare) => new Comparer<T>(compare);
+
+        public static implicit operator Func<T, T, int>(Comparer<T> comparer) => comparer._compare;
+    }
+}