Revert all Concat-related changes

dotnet · Jan 30, 2017 · c5bc5b3 · c5bc5b3
1 parent c3f4d97
commit c5bc5b3
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Showing 2 changed files with 352 additions and 244 deletions.
diff --git a/src/Common/src/System/Collections/Generic/ArrayBuilder.cs b/src/Common/src/System/Collections/Generic/ArrayBuilder.cs
@@ -74,15 +74,6 @@ public void Add(T item)
             UncheckedAdd(item);
         }
 
-        /// <summary>
-        /// Gets the only item in this builder.
-        /// </summary>
-        public T Single()
-        {
-            Debug.Assert(_count == 1);
-            return _array[0];
-        }
-
         /// <summary>
         /// Creates an array from the contents of this builder.
         /// </summary>