Creepers are not my enemy. I can boom better than them. 💥💥💥💥

.vscode/settings.json

@@ -14,6 +14,44 @@
     "array": "cpp",
     "tuple": "cpp",
     "utility": "cpp",
-    "functional": "cpp"
+    "functional": "cpp",
+    "istream": "cpp",
+    "variant": "cpp",
+    "atomic": "cpp",
+    "bit": "cpp",
+    "cctype": "cpp",
+    "clocale": "cpp",
+    "cmath": "cpp",
+    "cstdarg": "cpp",
+    "cstddef": "cpp",
+    "cstdint": "cpp",
+    "cstdio": "cpp",
+    "cstdlib": "cpp",
+    "cstring": "cpp",
+    "cwchar": "cpp",
+    "cwctype": "cpp",
+    "deque": "cpp",
+    "unordered_map": "cpp",
+    "vector": "cpp",
+    "exception": "cpp",
+    "algorithm": "cpp",
+    "iterator": "cpp",
+    "memory": "cpp",
+    "memory_resource": "cpp",
+    "numeric": "cpp",
+    "random": "cpp",
+    "string": "cpp",
+    "string_view": "cpp",
+    "fstream": "cpp",
+    "initializer_list": "cpp",
+    "iosfwd": "cpp",
+    "limits": "cpp",
+    "new": "cpp",
+    "ostream": "cpp",
+    "sstream": "cpp",
+    "stdexcept": "cpp",
+    "streambuf": "cpp",
+    "cinttypes": "cpp",
+    "typeinfo": "cpp"
   }
 }

examples/CMakeLists.txt

@@ -1,10 +1,11 @@
-cmake_minimum_required(VERSION 3.8.0)
+cmake_minimum_required(VERSION 3.12.0)
 project(SpaicExample)
 
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
+add_compile_options(-fconcepts)
 
 include_directories("../include/")
 file(GLOB_RECURSE SOURCE_LIST "./*.cpp")

examples/Counter.cpp

@@ -1,4 +1,5 @@
 #include <cstdlib>
+#include <iostream>
 
 #include <spaic/Prelude.hpp>
 #include <spaic-css/Prelude.hpp>
@@ -42,13 +43,40 @@ VNode render()
     return 0;
 }
 
-auto counter = create_component(props::counter::all, state::counter::all, update, render);
-
 int main()
 {
-    using namespace props::counter;
-    auto wtf_is_this_style = css(
-        width = 10.0_px);
-    counter(is_dark_theme = true)("Hello, world!");
+    std::cout << "안녕 세계는 개뿔이" << std::endl;
+    try
+    {
+        using namespace props::counter;
+        auto wtf_is_this_style = css(
+            width = 10.0_px);
+        auto counter = create_component(props::counter::all, state::counter::all, update, render);
+
+        counter(is_dark_theme = true)("Hello, world!");
+    }
+    catch (const char *e)
+    {
+        std::cout << e << std::endl;
+    }
     return EXIT_SUCCESS;
 }
+
+// fucking test
+void test(VNode node) {}
+
+struct Incompatible
+{
+    int i;
+};
+
+void test()
+{
+    using namespace props::counter;
+    test("STR");
+    test(true);
+    std::vector<VNode> wtf;
+    wtf.push_back("STR");
+    test(wtf);
+    // test(Incompatible{3});
+}

include/spaic-css/detail/CSS.hpp

@@ -7,6 +7,6 @@ namespace spaic::css
 template <typename... T>
 spaic::css::Stylesheet css(T... params)
 {
-    throw "TODO";
+    throw "TODO: css(params)";
 }
 } // namespace spaic::css

include/spaic/Component.hpp

@@ -14,7 +14,7 @@ using Render = std::function<spaic::vnode::VNode()>;
 class ComponentBody
 {
 public:
-    spaic::vnode::VNode operator()(spaic::vnode::VNode children...) noexcept;
+    spaic::vnode::VNode operator()(spaic::vnode::VNode children...); // noexcept;
 };
 template <typename Props>
 class Component

include/spaic/Message.hpp

@@ -13,7 +13,7 @@ class Message
     operator bool();
 
     template <size_t I>
-    typename std::tuple_element<I, std::tuple<T...>>::type get();
+    std::tuple_element_t<I, std::tuple<T...>> get();
 };
 
 } // namespace spaic::msg

include/spaic/Property.hpp

@@ -14,6 +14,8 @@ class Property
 
 public:
     virtual AssignedProperty<I, O> operator=(I &&value) noexcept {};
+
+    O &operator*() noexcept;
 };
 
 template <typename I, typename O>

include/spaic/VNode.hpp

@@ -7,7 +7,7 @@
 namespace spaic::vnode
 {
 // TODO: Array of VNode should be VNode.
-using VNode = std::variant<
+using VNodeBase = std::variant<
     std::string,
     std::nullptr_t,
     bool,
@@ -28,4 +28,19 @@ using VNode = std::variant<
     float,
     double,
     long double>;
+
+class VNode final
+{
+private:
+    // I prefer `_value`
+    // wtf is that noexcept(noexcept())
+    std::variant<VNodeBase, std::vector<VNode>> _value;
+
+public:
+    template <typename T>
+    requires std::is_convertible_v<std::remove_reference_t<T>, VNodeBase> ||
+             std::is_convertible_v<std::remove_reference_t<T>, std::vector<VNode>>
+    VNode(T &&v) noexcept(noexcept(std::is_constructible_v<decltype(_value), decltype(std::forward<T>(v))>))
+        : _value(std::forward<T>(v)) {}
+};
 } // namespace spaic::vnode

include/spaic/detail/Component.hpp

@@ -1,3 +1,4 @@
+
 #pragma once
 
 #include <functional>
@@ -8,7 +9,7 @@
 
 namespace spaic::comp
 {
-spaic::vnode::VNode ComponentBody::operator()(spaic::vnode::VNode children...) noexcept
+spaic::vnode::VNode ComponentBody::operator()(spaic::vnode::VNode children...) // noexcept
 {
     throw "TODO: ComponentBody::operator()(children)";
 }
@@ -17,7 +18,8 @@ template <typename Props>
 template <typename... T>
 ComponentBody Component<Props>::operator()(T... args) noexcept
 {
-    throw "TODO: Component::operator()(args)";
+    // TODO: Component::operator()(args)
+    return ComponentBody();
 }
 template <typename Props, typename StateSet>
 Component<Props> create_component(Props props, StateSet state, Update update, Render render)

src/spaic-css/CMakeLists.txt

@@ -1,10 +1,11 @@
-cmake_minimum_required(VERSION 3.8.0)
+cmake_minimum_required(VERSION 3.12.0)
 project(SpaicCSS)
 
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
+add_compile_options(-fconcepts)
 
 include_directories("../../include/")
 file(GLOB_RECURSE SOURCE_LIST "./*.cpp")

src/spaic-dom/CMakeLists.txt

@@ -1,10 +1,11 @@
-cmake_minimum_required(VERSION 3.8.0)
+cmake_minimum_required(VERSION 3.12.0)
 project(SpaicDOM)
 
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
+add_compile_options(-fconcepts)
 
 include_directories("../../include/")
 file(GLOB_RECURSE SOURCE_LIST "./*.cpp")

src/spaic/CMakeLists.txt

@@ -1,10 +1,11 @@
-cmake_minimum_required(VERSION 3.8.0)
+cmake_minimum_required(VERSION 3.12.0)
 project(Spaic)
 
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
+add_compile_options(-fconcepts)
 
 include_directories("../../include/")
 file(GLOB_RECURSE SOURCE_LIST "./*.cpp")