types.hpp: more cleanup

Also fix compilation.

Utilities/File.cpp

@@ -1715,7 +1715,7 @@ u64 fs::get_dir_size(const std::string& path, u64 rounding_alignment)
 
 	if (!root_dir)
 	{
-		return static_cast<u64>(umax);
+		return -1;
 	}
 
 	for (const auto& entry : root_dir)

Utilities/StrFmt.cpp

@@ -236,6 +236,12 @@ void fmt_class_string<bool>::format(std::string& out, u64 arg)
 	out += arg ? "true" : "false";
 }
 
+template <>
+void fmt_class_string<b8>::format(std::string& out, u64 arg)
+{
+	out += get_object(arg) ? "true" : "false";
+}
+
 template <>
 void fmt_class_string<v128>::format(std::string& out, u64 arg)
 {

Utilities/StrFmt.h

@@ -64,17 +64,6 @@ struct fmt_unveil<T, std::enable_if_t<std::is_floating_point<T>::value && sizeof
 	}
 };
 
-template <>
-struct fmt_unveil<f16, void>
-{
-	using type = f16;
-
-	static inline u64 get(const f16& arg)
-	{
-		return fmt_unveil<f64>::get(arg.operator float());
-	}
-};
-
 template <typename T>
 struct fmt_unveil<T, std::enable_if_t<std::is_enum<T>::value>>
 {
@@ -108,17 +97,6 @@ struct fmt_unveil<T[N], void>
 	}
 };
 
-template <>
-struct fmt_unveil<b8, void>
-{
-	using type = bool;
-
-	static inline u64 get(const b8& value)
-	{
-		return fmt_unveil<bool>::get(value);
-	}
-};
-
 template <typename T, bool Se, usz Align>
 struct fmt_unveil<se_t<T, Se, Align>, void>
 {

Utilities/sync.h

@@ -71,7 +71,7 @@ inline int futex(volatile void* uaddr, int futex_op, uint val, const timespec* t
 		};
 
 		std::mutex mutex;
-		std::unordered_multimap<volatile void*, waiter*, pointer_hash<volatile void, alignof(int)>> map;
+		std::unordered_multimap<volatile void*, waiter*> map;
 
 		int operator()(volatile void* uaddr, int futex_op, uint val, const timespec* timeout, uint mask)
 		{