From 55aa55a269750b2b3274d942ea06e21df5c3902a Mon Sep 17 00:00:00 2001
From: John Wellbelove <jwellbelove@users.noreply.github.com>
Date: Sat, 5 Mar 2022 18:00:37 +0000
Subject: [PATCH] Added optional counter type to instance_count.

---
 include/etl/instance_count.h | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/include/etl/instance_count.h b/include/etl/instance_count.h
index c4123f9b..b93f3337 100644
--- a/include/etl/instance_count.h
+++ b/include/etl/instance_count.h
@@ -44,17 +44,20 @@ namespace etl
   /// Inherit from this to count instances of a type.
   ///\ingroup reference
   //***************************************************************************
-  template <typename T>
+  template <typename T, typename TCounter = int32_t>
   class instance_count
   {
   public:
 
+    typedef T        type;
+    typedef TCounter counter_type;
+
     //*************************************************************************
     /// Construct and add 1.
     //*************************************************************************
     instance_count()
     {
-      ++how_many();
+      ++current_instance_count();
     }
 
     //*************************************************************************
@@ -62,7 +65,7 @@ namespace etl
     //*************************************************************************
     instance_count(const instance_count&)
     {
-      ++how_many();
+      ++current_instance_count();
     }
 
     //*************************************************************************
@@ -78,15 +81,15 @@ namespace etl
     //*************************************************************************
     ~instance_count()
     {
-      --how_many();
+      --current_instance_count();
     }
 
     //*************************************************************************
     /// Get how many instances we have.
     //*************************************************************************
-    static int32_t get_instance_count()
+    static const counter_type& get_instance_count()
     {
-      return how_many();
+      return current_instance_count();
     }
 
     //*************************************************************************
@@ -94,7 +97,7 @@ namespace etl
     //*************************************************************************
     static void reset_instance_count()
     {
-      how_many() = 0;
+      current_instance_count() = 0;
     }
 
   private:
@@ -102,10 +105,10 @@ namespace etl
     //*************************************************************************
     /// Get a referenceto the count.
     //*************************************************************************
-    static int32_t& how_many()
+    static counter_type& current_instance_count()
     {
-      static int32_t count = 0;
-      return count;
+      static counter_type counter = 0;
+      return counter;
     }
   };
 }