ircd::util: Start an all() convenience template w/ bool specialization.

include/ircd/util/all.h

@@ -0,0 +1,31 @@
+// The Construct
+//
+// Copyright (C) The Construct Developers, Authors & Contributors
+// Copyright (C) 2016-2020 Jason Volk <jason@zemos.net>
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice is present in all copies. The
+// full license for this software is available in the LICENSE file.
+
+#pragma once
+#define HAVE_IRCD_UTIL_ALL_H
+
+namespace ircd {
+inline namespace util
+{
+	template<size_t SIZE,
+	         class T>
+	bool all(const T (&vec)[SIZE]) noexcept;
+
+	template<size_t SIZE>
+	bool all(const bool (&vec)[SIZE]) noexcept;
+}}
+
+template<size_t SIZE>
+inline bool
+ircd::util::all(const bool (&vec)[SIZE])
+noexcept
+{
+	return std::all_of(vec, vec + SIZE, identity{});
+}

include/ircd/util/util.h

@@ -66,6 +66,7 @@ namespace ircd
 #include "test.h"
 #include "boolean.h"
 #include "maybe.h"
+#include "all.h"
 
 // Unsorted section
 namespace ircd {