There's a range of other options for error handling between a global errno and w... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		tredre3 on May 20, 2024 \| parent \| context \| favorite \| on: The problem with new URL(), and how URL.parse() fi... There's a range of other options for error handling between a global errno and wrapping every lines in try-catch... Many languages make it idiomatic for functions to return a value or error (Rust, Go, modern C++) so that you can access a human-friendly error on failure. https://doc.rust-lang.org/std/result/ https://go.dev/doc/tutorial/handle-errors https://en.cppreference.com/w/cpp/utility/expected (there's also std::variant and std::optional that can get you there since C++17)

kaba0 on May 21, 2024 [–]

Go pretty much uses a global errno, it’s literally analogous, and is a terrible language from an error handling perspective, that failed to learn anything since C.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact