refactor: add Rust infrastructure: Option, Result and panic

src/yycc/rust/parse.hpp

@@ -0,0 +1,24 @@
+#pragma once
+#include "../macro/feature_probe.hpp"
+#include "../string/parse.hpp"
+#include "panic.hpp"
+#include "result.hpp"
+
+#define NS_YYCC_STRING_PARSE ::yycc::string::parse
+
+namespace yycc::rust::parse {
+
+#if defined(YYCC_CPPFEAT_EXPECTED)
+
+    using Error = NS_YYCC_STRING_PARSE::ParseError;
+
+    // template<typename T>
+    // using Result = std::expected<T, Error>;
+
+
+
+#endif
+
+}
+
+#undef NS_YYCC_STRING_PARSE