From a9efac44b0dd145240e0353d5ca74e907a0d6436 Mon Sep 17 00:00:00 2001
From: metabeyond <metabeyond@outlook.com>
Date: Thu, 14 Nov 2024 14:04:22 +0800
Subject: [PATCH] Resolved issues for Clang Minimum Clang Version: 17 (Support
 for Class Template Argument Deduction for Aggregates)

---
 include/essence/io/cmrc_fs_operator.hpp             | 1 +
 include/essence/io/spanstream.hpp                   | 6 +++---
 include/essence/meta/detail/fake_object_wrapper.hpp | 2 +-
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/include/essence/io/cmrc_fs_operator.hpp b/include/essence/io/cmrc_fs_operator.hpp
index a1bcc64..d01213e 100644
--- a/include/essence/io/cmrc_fs_operator.hpp
+++ b/include/essence/io/cmrc_fs_operator.hpp
@@ -27,6 +27,7 @@
 #include "spanstream.hpp"
 
 #include <concepts>
+#include <istream>
 #include <memory>
 #include <span>
 #include <string>
diff --git a/include/essence/io/spanstream.hpp b/include/essence/io/spanstream.hpp
index fe669eb..3734e13 100644
--- a/include/essence/io/spanstream.hpp
+++ b/include/essence/io/spanstream.hpp
@@ -49,7 +49,7 @@ namespace essence::io {
     template <typename CharT, typename Traits = std::char_traits<CharT>>
     struct basic_ispanstream : basic_spanstream_impl<std::basic_istream<CharT, Traits>, std::ios_base::in> {
         using base_type = basic_spanstream_impl<std::basic_istream<CharT, Traits>, std::ios_base::in>;
-        using base_type::basic_spanstream_impl;
+        using base_type::base_type;
 
         template <std::ranges::borrowed_range Range>
             requires(
@@ -73,7 +73,7 @@ namespace essence::io {
     template <typename CharT, typename Traits = std::char_traits<CharT>>
     struct basic_ospanstream : basic_spanstream_impl<std::basic_ostream<CharT, Traits>, std::ios_base::out> {
         using base_type = basic_spanstream_impl<std::basic_ostream<CharT, Traits>, std::ios_base::out>;
-        using base_type::basic_spanstream_impl;
+        using base_type::base_type;
 
         [[nodiscard]] std::span<typename base_type::char_type> span() const noexcept {
             return this->spanbuf_.span();
@@ -85,7 +85,7 @@ namespace essence::io {
         : basic_spanstream_impl<std::basic_iostream<CharT, Traits>, std::ios_base::in | std::ios_base::out> {
         using base_type =
             basic_spanstream_impl<std::basic_iostream<CharT, Traits>, std::ios_base::in | std::ios_base::out>;
-        using base_type::basic_spanstream_impl;
+        using base_type::base_type;
 
         [[nodiscard]] std::span<typename base_type::char_type> span() const noexcept {
             return this->spanbuf_.span();
diff --git a/include/essence/meta/detail/fake_object_wrapper.hpp b/include/essence/meta/detail/fake_object_wrapper.hpp
index d5ebc9a..a5620e7 100644
--- a/include/essence/meta/detail/fake_object_wrapper.hpp
+++ b/include/essence/meta/detail/fake_object_wrapper.hpp
@@ -52,7 +52,7 @@ namespace essence::meta::detail {
 
     template <typename T>
     consteval auto make_fake_object_wrapper(const T& obj) noexcept {
-        return fake_object_wrapper{obj};
+        return fake_object_wrapper{obj}.value;
     }
 
 #ifdef _MSC_VER