From 1dd83437e5777f699184452667e7698072fd5cb4 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Wed, 16 Nov 2022 15:26:53 +0100
Subject: entity: pass small trivial types by value

---
 src/entity.hpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/entity.hpp b/src/entity.hpp
index 10df2366..8d62780b 100644
--- a/src/entity.hpp
+++ b/src/entity.hpp
@@ -12,8 +12,9 @@ namespace floormat {}
 
 namespace floormat::entities {
 
-template<typename T> struct pass_by_value : std::bool_constant<std::is_fundamental_v<T>> {};
+template<typename T, typename = void> struct pass_by_value : std::bool_constant<std::is_fundamental_v<T>> {};
 template<> struct pass_by_value<StringView> : std::true_type {};
+template<typename T> struct pass_by_value<T, std::enable_if_t<std::is_trivially_copy_constructible_v<T> && sizeof(T) <= sizeof(void*)>> : std::true_type {};
 template<typename T> constexpr inline bool pass_by_value_v = pass_by_value<T>::value;
 
 template<typename T> using const_qualified = std::conditional_t<pass_by_value_v<T>, T, const T&>;
-- 
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