From 8970c40ce9a9a4e5f582b48f69b77bd90d8e678e Mon Sep 17 00:00:00 2001
From: Steven Le Rouzic <steven.lerouzic@gmail.com>
Date: Thu, 4 Apr 2024 23:29:08 +0200
Subject: Add DLL API

---
 deimos/core/std.h | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'deimos/core/std.h')

diff --git a/deimos/core/std.h b/deimos/core/std.h
index 89d7da5..42bedbe 100644
--- a/deimos/core/std.h
+++ b/deimos/core/std.h
@@ -22,6 +22,7 @@ template<typename T> concept signed_integral = integral<T> && __is_signed(T);
 template<typename T> concept unsigned_integral = integral<T> && __is_unsigned(T);
 
 template<typename T> constexpr bool is_trivially_destructible_v = __is_trivially_destructible(T);
+template<typename T> constexpr bool is_trivially_copyable_v = __is_trivially_copyable(T);
 
 template<typename U, typename V> constexpr bool _is_same_helper = false;
 template<typename T> constexpr bool _is_same_helper<T, T> = true;
@@ -78,6 +79,13 @@ constexpr T exchange(T& obj, U&& new_value)
 enum __attribute__((__may_alias__)) byte : uint8_t {};
 static_assert(sizeof(byte) == 1, "");
 
+template<typename To, typename From>
+requires (sizeof(To) == sizeof(From)) && is_trivially_copyable_v<To> && is_trivially_copyable_v<From>
+constexpr To bit_cast(const From& from) noexcept
+{
+    return __builtin_bit_cast(To, from);
+}
+
 template<typename T>
 class initializer_list
 {
-- 
cgit