Custom Error Types and Traits
Last updated
What is Custom Error Types and Traits?
Custom error types use enum to define specific error variants with attached data. Implement Debug, Display, and optionally std::error::Error traits for proper error handling integration. Libraries like thiserror provide derive macros to simplify custom error creation and formatting.
Free resources to learn Custom Error Types and Traits
- Official docsDefining an Error Type
More in stage 3: Error Handling
Custom Error Types and Traits: common questions
Can I learn Custom Error Types and Traits 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 Custom Error Types and Traits 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 Custom Error Types and Traits tutorial for beginners?
It is lesson 15 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.