initial commit.HEADmaster

1 files changed, 24 insertions, 0 deletions

diff --git a/src/Notepad/Infrastructure/Extensions/EnumerableExtensions.cs b/src/Notepad/Infrastructure/Extensions/EnumerableExtensions.cs
new file mode 100644
index 0000000..d57c0e1
--- /dev/null
+++ b/src/Notepad/Infrastructure/Extensions/EnumerableExtensions.cs
@@ -0,0 +1,24 @@
+using System;

+using System.Collections.Generic;

+

+namespace Notepad.Infrastructure.Extensions {

+    public static class EnumerableExtensions {

+        public static void Walk<T>(this IEnumerable<T> itemsToWalk) {

+            foreach (var item in itemsToWalk) {}

+        }

+

+        public static IEnumerable<T> ThatSatisfy<T>(this IEnumerable<T> itemsToPeekInto, Predicate<T> criteriaToSatisfy) {

+            foreach (var item in itemsToPeekInto) {

+                if (item.Satisfies(criteriaToSatisfy)) {

+                    yield return item;

+                }

+            }

+        }

+

+        public static IEnumerable<T> SortedUsing<T>(this IEnumerable<T> itemsToSort, IComparer<T> sortingAlgorithm) {

+            var sortedItems = new List<T>(itemsToSort);

+            sortedItems.Sort(sortingAlgorithm);

+            return sortedItems;

+        }

+    }

+}
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