From 53fa0d2fe844f44933dd3184e422ff59826cfc87 Mon Sep 17 00:00:00 2001
From: Michele Caini <michele.caini@gmail.com>
Date: Wed, 1 Apr 2020 00:16:35 +0200
Subject: [PATCH] registry: ::assure sets a constraint on the type

---
 src/entt/entity/registry.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/entt/entity/registry.hpp b/src/entt/entity/registry.hpp
index 3b6ba3522..ba584f61d 100644
--- a/src/entt/entity/registry.hpp
+++ b/src/entt/entity/registry.hpp
@@ -186,6 +186,7 @@ class basic_registry {
 
     template<typename Component>
     const pool_handler<Component> & assure() const {
+        static_assert(std::is_same_v<Component, std::decay_t<Component>>);
         static std::size_t index{pools.size()};
 
         if(const auto length = pools.size(); !(index < length) || pools[index].type_id != type_info<Component>::id()) {