From 9c2b5c3d7511358919359c4a1c2020fa71631659 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dan=C3=ADel=20Gr=C3=A9tarsson?= <danielgretars@gmail.com>
Date: Thu, 20 May 2021 08:14:31 +0000
Subject: [PATCH] Add container_type type definition to etl::queue to better
 match std::queue (#378)

* Add container_type type definition to better match std::queue

* Add container_type typedef to priority_queue and stack classes to maximize compatibility with the std library
---
 include/etl/priority_queue.h | 1 +
 include/etl/queue.h          | 5 +++--
 include/etl/stack.h          | 3 ++-
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/include/etl/priority_queue.h b/include/etl/priority_queue.h
index 5c0cd0cb..b0dd9c37 100644
--- a/include/etl/priority_queue.h
+++ b/include/etl/priority_queue.h
@@ -418,6 +418,7 @@ namespace etl
   public:
 
     typedef typename TContainer::size_type size_type;
+    typedef TContainer                     container_type;
 
     static ETL_CONSTANT size_type MAX_SIZE = size_type(SIZE);
 
diff --git a/include/etl/queue.h b/include/etl/queue.h
index 4dd12d88..1e5fd07a 100644
--- a/include/etl/queue.h
+++ b/include/etl/queue.h
@@ -584,7 +584,8 @@ namespace etl
 
   public:
 
-    typedef typename base_t::size_type size_type;
+    typedef typename base_t::size_type                                                  size_type;
+    typedef typename etl::aligned_storage<sizeof(T), etl::alignment_of<T>::value>::type container_type;
 
     ETL_STATIC_ASSERT((SIZE <= etl::integral_limits<size_type>::max), "Size too large for memory model");
 
@@ -657,7 +658,7 @@ namespace etl
   private:
 
     /// The uninitialised buffer of T used in the queue.
-    typename etl::aligned_storage<sizeof(T), etl::alignment_of<T>::value>::type buffer[SIZE];
+    container_type buffer[SIZE];
   };
 }
 
diff --git a/include/etl/stack.h b/include/etl/stack.h
index 0b2324f3..5cd00fb6 100644
--- a/include/etl/stack.h
+++ b/include/etl/stack.h
@@ -528,6 +528,7 @@ namespace etl
   class stack : public etl::istack<T>
   {
   public:
+    typedef typename etl::aligned_storage<sizeof(T), etl::alignment_of<T>::value>::type container_type;
 
     static ETL_CONSTANT size_t MAX_SIZE = SIZE;
 
@@ -598,7 +599,7 @@ namespace etl
   private:
 
     /// The unintitialised buffer of T used in the stack.
-    typename etl::aligned_storage<sizeof(T), etl::alignment_of<T>::value>::type buffer[SIZE];
+    container_type buffer[SIZE];
   };
 }