From b9d008fa722ad7cee2802efe7b6a50e33e8f962b Mon Sep 17 00:00:00 2001
From: John Wellbelove <github@wellbelove.co.uk>
Date: Fri, 30 Apr 2021 17:17:03 +0100
Subject: [PATCH] Added etl::for_each_iterator

---
 include/etl/algorithm.h | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/include/etl/algorithm.h b/include/etl/algorithm.h
index 08ebfeda..7a6fcdf0 100644
--- a/include/etl/algorithm.h
+++ b/include/etl/algorithm.h
@@ -2733,6 +2733,28 @@ namespace etl
     return begin;
   }
 
+  //***************************************************************************
+  /// Like std::for_each but passes the iterator to the function.
+  /// There is currently no STL equivalent.
+  ///\ingroup algorithm
+  //***************************************************************************
+  template <typename TIterator,
+            typename TUnaryFunction,
+            typename TUnaryPredicate>
+  TUnaryFunction for_each_iterator(TIterator       begin,
+                                   const TIterator end,
+                                   TUnaryFunction  function)
+  {
+    while (begin != end)
+    {
+      function(begin);
+
+      ++begin;
+    }
+
+    return function;
+  }
+
   //***************************************************************************
   /// A safer form of std::transform where the transform returns when the first
   /// range end is reached.