Option & Result Enumerations
Last updated
What is Option & Result Enumerations?
Option<T> handles nullable values with Some(T) and None variants, replacing null pointers safely. Result<T, E> manages error handling with Ok(T) for success and Err(E) for failures. Both enums enable safe error handling through pattern matching and method chaining.
Free resources to learn Option & Result Enumerations
- Official docsOption & unwrap
- Official docsResult
- ArticleError Handling in Rust - Andrew Gallant's Blog
- ArticleUsing unwrap() in Rust is Okay - Andrew Gallant's Blog
More in stage 3: Error Handling
Option & Result Enumerations: common questions
Can I learn Option & Result Enumerations in Hindi?
This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Option & Result Enumerations in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.
Is this Option & Result Enumerations tutorial for beginners?
It is lesson 13 of 122 in the free Rust roadmap, in stage 3, Error Handling. If you are new to Rust, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.