From 892009458b717c523b6a3a85b9021f0073c70ea8 Mon Sep 17 00:00:00 2001
From: John Wellbelove <github@wellbelove.co.uk>
Date: Thu, 21 Sep 2017 14:03:22 +0100
Subject: [PATCH] Changed pop_into container a template.

---
 src/queue.h | 6 ++++--
 src/stack.h | 7 ++++---
 2 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/queue.h b/src/queue.h
index ebafd8af..7e9b35fe 100644
--- a/src/queue.h
+++ b/src/queue.h
@@ -397,10 +397,12 @@ namespace etl
 
     //*************************************************************************
     /// Gets the oldest value and removes it from the front of the queue and 
-    /// pushes it to the destination queue.
+    /// pushes it to the destination container.
     /// If asserts or exceptions are enabled, throws an etl::queue_empty if the queue is empty.
+    /// NOTE: The destination must support a push(T) member function.
     //*************************************************************************
-    void pop_into(iqueue& destination)
+    template <typename TContainer>
+    void pop_into(TContainer& destination)
     {
       destination.push(front());
       pop();
diff --git a/src/stack.h b/src/stack.h
index 85a5c888..d41e38b3 100644
--- a/src/stack.h
+++ b/src/stack.h
@@ -362,10 +362,11 @@ namespace etl
 
     //*************************************************************************
     /// Removes the oldest item from the top of the stack and pushes it to the 
-    /// top of the destination stack.
-    /// NOTE: This reverses the stack order.
+    /// destination container.
+    /// NOTE: The destination must support a push(T) member function.
     //*************************************************************************
-    void pop_into(istack& destination)
+    template <typename TContainer>
+    void pop_into(TContainer& destination)
     {
       destination.push(top());
       pop();