feat: finish summary and application for clap.

- finish summary and application for clap.
- add patch for utf8 string in std::format.

src/yycc/carton/clap/application.hpp

@@ -0,0 +1,31 @@
+#pragma once
+#include "summary.hpp"
+#include "option.hpp"
+#include "variable.hpp"
+
+#define NS_YYCC_CLAP ::yycc::carton::clap
+
+namespace yycc::carton::clap::application {
+    
+    class Application {
+    public:
+        Application(NS_YYCC_CLAP::summary::Summary&& summary,
+                    NS_YYCC_CLAP::option::OptionCollection&& options,
+                    NS_YYCC_CLAP::variable::VariableCollection&& variables);
+        ~Application();
+        YYCC_DEFAULT_COPY_MOVE(Application);
+
+    public:
+        const NS_YYCC_CLAP::summary::Summary& get_summary() const;
+        const NS_YYCC_CLAP::option::OptionCollection& get_options() const;
+        const NS_YYCC_CLAP::variable::VariableCollection& get_variables() const;
+
+    private:
+        NS_YYCC_CLAP::summary::Summary summary;
+        NS_YYCC_CLAP::option::OptionCollection options;
+        NS_YYCC_CLAP::variable::VariableCollection variables;
+    };
+
+}
+
+#undef NS_YYCC_CLAP