✨ mbstate_t proxy type for ztd/idk because Android and MacOS are a pain!

include/ztd/idk/charN_t.h

@@ -56,7 +56,7 @@ typedef ZTD_CHAR8_T_I_ ztd_char8_t;
 		typedef char16_t ztd_char16_t;
 		typedef char32_t ztd_char32_t;
 #else
-	#if ZTD_IS_ON(ZTD_UCHAR)
+	#if ZTD_IS_ON(ZTD_UCHAR_H)
 		#include <uchar.h>
 
 		typedef char16_t ztd_char16_t;
@@ -72,7 +72,7 @@ typedef ZTD_CHAR8_T_I_ ztd_char8_t;
 		typedef uint_least32_t ztd_char32_t;
 	#endif
 
-	#if ZTD_IS_ON(ZTD_WCHAR)
+	#if ZTD_IS_ON(ZTD_WCHAR_H)
 		#include <wchar.h>
 
 		typedef wchar_t ztd_wchar_t;

include/ztd/idk/char_traits.hpp

@@ -36,6 +36,7 @@
 #include <ztd/idk/version.hpp>
 
 #include <ztd/idk/charN_t.hpp>
+#include <ztd/idk/mbstate_t.hpp>
 #include <ztd/idk/type_traits.hpp>
 #include <ztd/ranges/algorithm.hpp>
 
@@ -55,7 +56,7 @@ namespace ztd {
 		using int_type   = ::std::int_least32_t;
 		using pos_type   = ::std::streampos;
 		using off_type   = ::std::streamoff;
-		using state_type = ::std::mbstate_t;
+		using state_type = ztd_mbstate_t;
 
 		static constexpr char_type* copy(
 		     char_type* __destination, const char_type* __source, ::std::size_t __count) noexcept {

include/ztd/idk/detail/posix.hpp

@@ -41,11 +41,11 @@
 
 // clang-format off
 #include <clocale>
-#if ZTD_IS_ON(ZTD_LANGINFO)
+#if ZTD_IS_ON(ZTD_LANGINFO_H)
 	extern "C" {
 		#include <langinfo.h>
 	}
-#elif ZTD_IS_ON(ZTD_NL_LANGINFO)
+#elif ZTD_IS_ON(ZTD_NL_LANGINFO_H)
 	// IBM-specific??
 	extern "C" {
 		#include <nl_langinfo.h>
@@ -66,7 +66,7 @@ namespace ztd {
 	namespace __idk_detail { namespace __posix {
 
 		inline text_encoding_id __determine_active_code_page() noexcept {
-#if ZTD_IS_ON(ZTD_LANGINFO) || ZTD_IS_ON(ZTD_NL_LANGINFO)
+#if ZTD_IS_ON(ZTD_NL_LANGINFO)
 			const char* __name = nl_langinfo(LC_CTYPE);
 			return __idk_detail::__to_encoding_id(__name);
 #else

include/ztd/idk/mbstate_t.h

@@ -0,0 +1,52 @@
+// ============================================================================
+//
+// ztd.idk
+// Copyright © 2022-2023 JeanHeyd "ThePhD" Meneide and Shepherd's Oasis, LLC
+// Contact: [email protected]
+//
+// Commercial License Usage
+// Licensees holding valid commercial ztd.cuneicode licenses may use this file
+// in accordance with the commercial license agreement provided with the
+// Software or, alternatively, in accordance with the terms contained in
+// a written agreement between you and Shepherd's Oasis, LLC.
+// For licensing terms and conditions see your agreement. For
+// further information contact [email protected].
+//
+// Apache License Version 2 Usage
+// Alternatively, this file may be used under the terms of Apache License
+// Version 2.0 (the "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+//
+// https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// ========================================================================= //
+
+#ifndef ZTD_IDK_MBSTATE_H
+#define ZTD_IDK_MBSTATE_H
+
+#pragma once
+
+#include <ztd/version.h>
+
+#if ZTD_IS_ON(ZTD_CWCHAR)
+#include <cwchar>
+#elif ZTD_IS_ON(ZTD_WCHAR_H)
+#include <wchar.h>
+#endif
+#if ZTD_IS_ON(ZTD_CUCHAR)
+#include <cuchar>
+#elif ZTD_IS_ON(ZTD_UCHAR_H)
+ZTD_EXTERN_C_OPEN_I_
+#include <uchar.h>
+ZTD_EXTERN_C_CLOSE_I_
+#endif
+
+typedef ZTD_MBSTATE_SCOPE_I_ mbstate_t ztd_mbstate_t;
+
+#endif

include/ztd/idk/mbstate_t.hpp

@@ -0,0 +1,39 @@
+// ============================================================================
+//
+// ztd.idk
+// Copyright © 2022-2023 JeanHeyd "ThePhD" Meneide and Shepherd's Oasis, LLC
+// Contact: [email protected]
+//
+// Commercial License Usage
+// Licensees holding valid commercial ztd.cuneicode licenses may use this file
+// in accordance with the commercial license agreement provided with the
+// Software or, alternatively, in accordance with the terms contained in
+// a written agreement between you and Shepherd's Oasis, LLC.
+// For licensing terms and conditions see your agreement. For
+// further information contact [email protected].
+//
+// Apache License Version 2 Usage
+// Alternatively, this file may be used under the terms of Apache License
+// Version 2.0 (the "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+//
+// https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// ========================================================================= //
+
+#ifndef ZTD_IDK_MBSTATE_HPP
+#define ZTD_IDK_MBSTATE_HPP
+
+#pragma once
+
+#include <ztd/version.h>
+
+#include <ztd/idk/mbstate_t.h>
+
+#endif

include/ztd/idk/span.hpp

@@ -111,6 +111,8 @@ namespace std {
 
 // Use home-grown span from Martin Moene
 #define span_FEATURE_MAKE_SPAN 1
+#define span_FEATURE_COMPARISON 1
+#define span_FEATURE_WITH_INITIALIZER_LIST_P2447 1
 #include <ztd/idk/detail/span.implementation.hpp>
 
 #include <ztd/prologue.hpp>

include/ztd/tests/basic_unicode_strings.hpp

@@ -1614,7 +1614,8 @@ namespace ztd { namespace tests {
 			  (CharType)0x75, (CharType)0x72, (CharType)0xc3, (CharType)0xa9, (CharType)0x6c, (CharType)0x69,
 			  (CharType)0x65, (CharType)0x2e, (CharType)0x00 };
 	inline constexpr std::size_t x_u8_unicode_sequence_truth_native_endian_storage_size
-		= sizeof(x_u8_unicode_sequence_truth_native_endian_storage<char>);
+		= /* GCC 13.2 x86_64 GNU Linux bug??? sizeof(x_u8_unicode_sequence_truth_native_endian_storage<char>)*/
+		2109;
 
 
 	inline constexpr const std::basic_string_view<char32_t> u32_unicode_sequence_truth_native_endian

include/ztd/version/detail/version.c++.hpp

@@ -61,7 +61,7 @@
 #elif ZTD_IS_ON(ZTD_COMPILER_CLANG)
 	// clang is busted right now!
 	// taking bets: Clang 17 is when it'll get fixed!
-	#if (__clang_major__ >= 17)
+	#if (__clang_major__ >= 17) && defined(__cpp_concepts) && (__cpp_concepts >= 201907LL)
 		#define ZTD_STD_CONCEPTS_I_ ZTD_DEFAULT_ON
 	#else
 		#define ZTD_STD_CONCEPTS_I_ ZTD_DEFAULT_OFF

include/ztd/version/detail/version.c.h

@@ -186,6 +186,26 @@
 	#define ZTD_PLATFORM_SUNOS_I_ ZTD_DEFAULT_OFF
 #endif // SunOS
 
+#if defined(ZTD_PLATFORM_ANDROID)
+	#if (ZTD_PLATFORM_ANDROID_I_ != 0)
+		#define ZTD_PLATFORM_ANDROID_I_ ZTD_ON
+	#else
+		#define ZTD_PLATFORM_ANDROID_I_ ZTD_OFF
+	#endif
+#elif defined(__ANDROID_API__) && (__ANDROID_API__ > 0)
+	#define ZTD_PLATFORM_ANDROID_I_ ZTD_DEFAULT_ON
+#else
+	#define ZTD_PLATFORM_ANDROID_I_ ZTD_DEFAULT_OFF
+#endif // Android (NDK)
+
+#if defined(ZTD_PLATFORM_ANDROID_VERSION)
+	#define ZTD_PLATFORM_ANDROID_I_ ZTD_PLATFORM_ANDROID_VERSION
+#elif ZTD_IS_ON(ZTD_PLATFORM_ANDROID)
+	#define ZTD_PLATFORM_ANDROID_VERSION_I_ __ANDROID_API__ 
+#else
+	#define ZTD_PLATFORM_ANDROID_VERSION_I_ 0
+#endif
+
 #if defined(ZTD_PLATFORM_UNIX)
 	#if (ZTD_PLATFORM_UNIX != 0)
 		#define ZTD_PLATFORM_UNIX_I_ ZTD_ON
@@ -380,17 +400,25 @@
 #endif
 
 
-#if defined(ZTD_NL_LANGINFO)
-	#if (ZTD_NL_LANGINFO != 0)
-		#define ZTD_NL_LANGINFO_I_ ZTD_ON
+#if defined(ZTD_NL_LANGINFO_H)
+	#if (ZTD_NL_LANGINFO_H != 0)
+		#define ZTD_NL_LANGINFO_H_I_ ZTD_ON
 	#else
-		#define ZTD_NL_LANGINFO_I_ ZTD_OFF
+		#define ZTD_NL_LANGINFO_H_I_ ZTD_OFF
 	#endif
 #else
 	#if ZTD_HAS_INCLUDE_I_(<nl_langinfo.h>)
-		#define ZTD_NL_LANGINFO_I_ ZTD_ON
+		#if ZTD_IS_ON(ZTD_PLATFORM_ANDROID)
+			#if ZTD_USE(ZTD_PLATFORM_ANDROID_VERSION) >= 26
+				#define ZTD_NL_LANGINFO_H_I_ ZTD_DEFAULT_ON
+			#else
+				#define ZTD_NL_LANGINFO_H_I_ ZTD_DEFAULT_OFF
+			#endif
+		#else
+			#define ZTD_NL_LANGINFO_H_I_ ZTD_DEFAULT_ON
+		#endif
 	#else
-		#define ZTD_NL_LANGINFO_I_ ZTD_DEFAULT_OFF
+		#define ZTD_NL_LANGINFO_H_I_ ZTD_DEFAULT_OFF
 	#endif
 #endif // nl_langinfo POSIX
 
@@ -400,7 +428,7 @@
 	#else
 		#define ZTD_LOCALE_DEPENDENT_WIDE_EXECUTION_I_ ZTD_OFF
 	#endif
-#elif ZTD_IS_ON(ZTD_NL_LANGINFO) && (ZTD_IS_ON(ZTD_PLATFORM_ZEDOS) || ZTD_IS_ON(ZTD_PLATFORM_AIX))
+#elif ZTD_IS_ON(ZTD_NL_LANGINFO_H) && (ZTD_IS_ON(ZTD_PLATFORM_ZEDOS) || ZTD_IS_ON(ZTD_PLATFORM_AIX))
 	#define ZTD_LOCALE_DEPENDENT_WIDE_EXECUTION_I_ ZTD_ON
 #else
 	#define ZTD_LOCALE_DEPENDENT_WIDE_EXECUTION_I_ ZTD_DEFAULT_OFF
@@ -477,18 +505,18 @@
 	#define ZTD_CHAR8_T_I_ unsigned char
 #endif // char8_t defined by the user
 
-#if defined(ZTD_UCHAR)
-	#if (ZTD_UCHAR != 0)
-		#define ZTD_UCHAR_I_ ZTD_ON
+#if defined(ZTD_UCHAR_H)
+	#if (ZTD_UCHAR_H != 0)
+		#define ZTD_UCHAR_H_I_ ZTD_ON
 	#else
-		#define ZTD_UCHAR_I_ ZTD_OFF
+		#define ZTD_UCHAR_H_I_ ZTD_OFF
 	#endif
 #elif ZTD_IS_OFF(ZTD_PLATFORM_MAC_OS)
-	#define ZTD_UCHAR_I_ ZTD_DEFAULT_ON
+	#define ZTD_UCHAR_H_I_ ZTD_DEFAULT_ON
 #elif ZTD_HAS_INCLUDE_I_(<uchar.h>)
-	#define ZTD_UCHAR_I_ ZTD_DEFAULT_ON
+	#define ZTD_UCHAR_H_I_ ZTD_DEFAULT_ON
 #else
-	#define ZTD_UCHAR_I_ ZTD_DEFAULT_OFF
+	#define ZTD_UCHAR_H_I_ ZTD_DEFAULT_OFF
 #endif
 
 #if defined(ZTD_CUCHAR)
@@ -505,18 +533,18 @@
 	#define ZTD_CUCHAR_I_ ZTD_DEFAULT_OFF
 #endif
 
-#if defined(ZTD_WCHAR)
-	#if (ZTD_WCHAR != 0)
-		#define ZTD_WCHAR_I_ ZTD_ON
+#if defined(ZTD_WCHAR_H)
+	#if (ZTD_WCHAR_H != 0)
+		#define ZTD_WCHAR_H_I_ ZTD_ON
 	#else
-		#define ZTD_WCHAR_I_ ZTD_OFF
+		#define ZTD_WCHAR_H_I_ ZTD_OFF
 	#endif
 #elif ZTD_HAS_INCLUDE_I_(<wchar.h>)
-	#define ZTD_WCHAR_I_ ZTD_DEFAULT_ON
+	#define ZTD_WCHAR_H_I_ ZTD_DEFAULT_ON
 #elif ZTD_IS_OFF(ZTD_LIBCXX)
-	#define ZTD_WCHAR_I_ ZTD_DEFAULT_ON
+	#define ZTD_WCHAR_H_I_ ZTD_DEFAULT_ON
 #else
-	#define ZTD_WCHAR_I_ ZTD_DEFAULT_OFF
+	#define ZTD_WCHAR_H_I_ ZTD_DEFAULT_OFF
 #endif
 
 #if defined(ZTD_CWCHAR)
@@ -559,38 +587,68 @@
 
 #if ZTD_IS_ON(ZTD_CXX)
 	#if ZTD_IS_ON(ZTD_CUCHAR)
-		#define ZTD_UCHAR_ACCESSOR_I_ ::std::
+		#define ZTD_UCHAR_SCOPE_I_ ::std::
 	#else
-		#define ZTD_UCHAR_ACCESSOR_I_ ::
+		#define ZTD_UCHAR_SCOPE_I_ ::
 	#endif
 #else
-	#define ZTD_UCHAR_ACCESSOR_I_
+	#define ZTD_UCHAR_SCOPE_I_
 #endif
 
 #if ZTD_IS_ON(ZTD_CXX)
 	#if ZTD_IS_ON(ZTD_CWCHAR)
-		#define ZTD_WCHAR_ACCESSOR_I_ ::std::
+		#define ZTD_WCHAR_SCOPE_I_ ::std::
 	#else
-		#define ZTD_WCHAR_ACCESSOR_I_ ::
+		#define ZTD_WCHAR_SCOPE_I_ ::
 	#endif
 #else
-	#define ZTD_WCHAR_ACCESSOR_I_
+	#define ZTD_WCHAR_SCOPE_I_
 #endif
 
-#if defined(ZTD_LANGINFO)
-	#if (ZTD_LANGINFO != 0)
-		#define ZTD_LANGINFO_I_ ZTD_ON
+#if ZTD_IS_ON(ZTD_CXX)
+	#if ZTD_IS_ON(ZTD_CWCHAR) || ZTD_IS_ON(ZTD_CUCHAR)
+		#define ZTD_MBSTATE_SCOPE_I_ ::std::
 	#else
-		#define ZTD_LANGINFO_I_ ZTD_OFF
+		#define ZTD_MBSTATE_SCOPE_I_ ::
+	#endif
+#else
+	#define ZTD_MBSTATE_SCOPE_I_
+#endif
+
+#if defined(ZTD_LANGINFO_H)
+	#if (ZTD_LANGINFO_H != 0)
+		#define ZTD_LANGINFO_H_I_ ZTD_ON
+	#else
+		#define ZTD_LANGINFO_H_I_ ZTD_OFF
 	#endif
 #else
 	#if ZTD_HAS_INCLUDE_I_(<langinfo.h>)
-		#define ZTD_LANGINFO_I_ ZTD_ON
+		#if ZTD_IS_ON(ZTD_PLATFORM_ANDROID)
+			#if ZTD_USE(ZTD_PLATFORM_ANDROID_VERSION) >= 26
+				#define ZTD_LANGINFO_H_I_ ZTD_DEFAULT_ON
+			#else
+				#define ZTD_LANGINFO_H_I_ ZTD_DEFAULT_OFF
+			#endif
+		#else
+			#define ZTD_LANGINFO_H_I_ ZTD_DEFAULT_ON
+		#endif
 	#else
-		#define ZTD_LANGINFO_I_ ZTD_DEFAULT_OFF
+		#define ZTD_LANGINFO_H_I_ ZTD_DEFAULT_OFF
 	#endif
 #endif // langinfo POSIX
 
+#if defined(ZTD_NL_LANGINFO)
+	#if (ZTD_NL_LANGINFO != 0)
+		#define ZTD_NL_LANGINFO_I_ ZTD_ON
+	#else
+		#define ZTD_NL_LANGINFO_I_ ZTD_OFF
+	#endif
+#elif ZTD_IS_ON(ZTD_NL_LANGINFO_H) || ZTD_IS_ON(ZTD_LANGINFO_H)
+	#define ZTD_NL_LANGINFO_I_ ZTD_DEFAULT_ON
+#else
+	#define ZTD_NL_LANGINFO_I_ ZTD_DEFAULT_OFF
+#endif
+
 #if (ZTD_HAS_ATTRIBUTE_I_(nodiscard) != 0L)
 	#if ZTD_IS_ON(ZTD_CXX)
 		#if ZTD_HAS_ATTRIBUTE_I_(nodiscard) >= 201907L