Extend std C++ include header list (fix #692)

Author: fedapo

include/cpp2util.h

@@ -191,47 +191,137 @@
         // in our -pure-cpp2 "import std;" simulation mode... if you need this,
         // use mixed mode (not -pure-cpp2) and #include all the headers you need
         // including this one
-        // 
+        //
         // #include <execution>
     #endif
 
 //  Otherwise, we're not in -pure-cpp2 and so just #include
 //  what we need in this header to make this self-contained
 #else
-    #include <type_traits>
-    #include <new>
-    #include <memory>
-    #include <random>
-    #include <tuple>
-    #include <string>
-    #include <string_view>
-    #include <vector>
-    #include <span>
-    #include <iostream>
-    #include <variant>
-    #include <any>
-    #include <optional>
-    #include <cstddef>
-    #include <utility>
-    #include <cstdio>
-    #include <cstdint>
+    #include <version> // has the _cpp_* preprocessor defs, include first
     #include <algorithm>
+    #include <any>
+    #include <array>
+    #include <atomic>
+    #ifdef __cpp_lib_barrier
+        #include <barrier>
+    #endif
+    #include <bit>
+    #include <bitset>
+    #include <cctype>
+    #include <charconv>
+    #include <chrono>
+    #include <cassert>
+    #include <cerrno>
+    #include <cfenv>
+    #include <cfloat>
+    #include <cinttypes>
+    #include <climits>
+    #include <clocale>
+    #include <cmath>
+    #include <codecvt>
     #include <compare>
-    #include <iterator>
+    #include <complex>
     #include <concepts>
-    #include <system_error>
-    #include <limits>
-
+    #include <condition_variable>
+    #ifdef __cpp_lib_coroutine
+        #include <coroutine>
+    #endif
+    #include <csetjmp>
+    #include <csignal>
+    #include <cstdarg>
+    #include <cstddef>
+    #include <cstdint>
+    #include <cstdio>
+    #include <cstdlib>
+    #include <cstring>
+    #include <ctime>
+    #if __has_include(<cuchar>)
+        #include <cuchar>
+    #endif
+    #include <cwchar>
+    #include <cwctype>
+    #include <deque>
     #ifndef CPP2_NO_EXCEPTIONS
         #include <exception>
     #endif
-    #ifndef CPP2_NO_RTTI
-        #include <typeinfo>
+    #include <filesystem>
+    #ifdef __cpp_lib_format
+        #include <format>
     #endif
-
-    #if defined(CPP2_USE_SOURCE_LOCATION)
+    #include <forward_list>
+    #include <fstream>
+    #include <future>
+    #include <functional>
+    #include <initializer_list>
+    #include <iomanip>
+    #include <ios>
+    #include <iosfwd>
+    #include <iostream>
+    #include <iso646.h>
+    #include <istream>
+    #include <iterator>
+    #ifdef __cpp_lib_latch
+        #include <latch>
+    #endif
+    #include <limits>
+    #include <list>
+    #include <locale>
+    #include <map>
+    #include <memory>
+    #ifdef __cpp_lib_memory_resource
+        #include <memory_resource>
+    #endif
+    #include <mutex>
+    #include <new>
+    #include <numbers>
+    #include <numeric>
+    #include <optional>
+    #include <ostream>
+    #include <queue>
+    #include <ranges>
+    #include <random>
+    #include <ratio>
+    #include <regex>
+    #include <scoped_allocator>
+    #ifdef __cpp_lib_semaphore
+        #include <semaphore>
+    #endif
+    #include <set>
+    #include <shared_mutex>
+    #ifdef __cpp_lib_source_location
         #include <source_location>
     #endif
+    #include <span>
+    #ifdef __cpp_lib_spanstream
+        #include <spanstream>
+    #endif
+    #include <stack>
+    #include <stdexcept>
+    #include <string>
+    #include <string_view>
+    #include <system_error>
+    #include <sstream>
+    #ifdef __cpp_lib_jthread
+        #include <stop_token>
+    #endif
+    #include <streambuf>
+    #ifdef __cpp_lib_syncstream
+        #include <syncstream>
+    #endif
+    #include <thread>
+    #include <tuple>
+    #include <type_traits>
+    #include <typeindex>
+    #ifndef CPP2_NO_RTTI
+        #include <typeinfo>
+    #endif
+    #include <unordered_map>
+    #include <unordered_set>
+    #include <utility>
+    #include <valarray>
+    #include <variant>
+    #include <vector>
 #endif
 
 
@@ -483,7 +573,7 @@ template<typename T>
 auto Typeid() -> decltype(auto) {
 #ifdef CPP2_NO_RTTI
     Type.expects(
-        !"'any' dynamic casting is disabled with -fno-rtti", // more likely to appear on console 
+        !"'any' dynamic casting is disabled with -fno-rtti", // more likely to appear on console
          "'any' dynamic casting is disabled with -fno-rtti"  // make message available to hooked handlers
     );
 #else
@@ -829,7 +919,7 @@ inline auto to_string(std::string const& s) -> std::string const&
 
 template<typename T>
 inline auto to_string(T const& sv) -> std::string
-    requires (std::is_convertible_v<T, std::string_view> 
+    requires (std::is_convertible_v<T, std::string_view>
               && !std::is_convertible_v<T, const char*>)
 {
     return std::string{sv};
@@ -952,17 +1042,17 @@ auto is( X const& ) -> bool {
 
 template< typename C, typename X >
     requires (
-        ( std::is_base_of_v<X, C> || 
-          ( std::is_polymorphic_v<C> && std::is_polymorphic_v<X>) 
+        ( std::is_base_of_v<X, C> ||
+          ( std::is_polymorphic_v<C> && std::is_polymorphic_v<X>)
         ) && !std::is_same_v<C,X>)
 auto is( X const& x ) -> bool {
     return Dynamic_cast<C const*>(&x) != nullptr;
 }
 
 template< typename C, typename X >
     requires (
-        ( std::is_base_of_v<X, C> || 
-          ( std::is_polymorphic_v<C> && std::is_polymorphic_v<X>) 
+        ( std::is_base_of_v<X, C> ||
+          ( std::is_polymorphic_v<C> && std::is_polymorphic_v<X>)
         ) && !std::is_same_v<C,X>)
 auto is( X const* x ) -> bool {
     return Dynamic_cast<C const*>(x) != nullptr;