refactor: add result wrapper for env vars and args

2025-12-12 13:45:13 +08:00
parent 8cd125a4b9
commit 19086f44e2
5 changed files with 40 additions and 30 deletions
--- a/src/yycc/carton/clap/parser.cpp
+++ b/src/yycc/carton/clap/parser.cpp
@@ -177,7 +177,10 @@ namespace yycc::carton::clap::parser {
    }

    TYPES::ClapResult<Parser> Parser::from_system(const APPLICATION::Application& app) {
-        auto args = ENV::get_args();
+        auto rv_args = ENV::get_args();
+        if (!rv_args.has_value()) return std::unexpected(TYPES::ClapError::Others);
+        auto args = std::move(rv_args.value());
+
        auto rv = capture(app, args | std::views::transform([](const auto& s) {
                                   return std::u8string_view(s);
                               }));