- Fixed up some style issues

- Added PLANNING.md

include/fennec/lang/bits.h

@@ -0,0 +1,51 @@
+// =====================================================================================================================
+//  fennec, a free and open source game engine
+//  Copyright (C) 2025  Medusa Slockbower
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+// =====================================================================================================================
+
+
+#ifndef FENNEC_LANG_BITS_H
+#define FENNEC_LANG_BITS_H
+
+#include <fennec/lang/intrinsics.h>
+#include <fennec/memory/memory.h>
+
+namespace fennec
+{
+
+///
+/// \fn fennec::bit_cast(const FromT&)
+/// \brief
+/// \tparam ToT Type to cast to
+/// \tparam FromT Type of the value
+/// \param from Value to bit cast
+/// \return A value containing a bitwise copy of the input
+template<typename ToT, typename FromT> requires(sizeof(ToT) == sizeof(FromT))
+constexpr ToT bit_cast(const FromT& from)
+{
+	if constexpr(FENNEC_HAS_BUILTIN_BIT_CAST)
+		return FENNEC_BUILTIN_BIT_CAST(ToT, from);
+	else
+	{
+		ToT to;
+		memcpy(&to, &from, sizeof(ToT));
+		return to;
+	}
+}
+
+}
+
+#endif // FENNEC_LANG_BITS_H