Explore the construction of Rust's renowned error messages in this 31-minute conference talk from RustFest Global 2020. Delve into the inner workings of rustc to uncover the process behind creating these informative diagnostics. Compare and contrast Rust's approach with error message construction in other programming languages. Learn about the standard error message format, parsing phase, and specific error types such as turbofish missing angle brackets, mutability errors, and lifetime errors. Gain insights into the eagerness of Rust's error reporting and how it contributes to the language's user-friendly development experience.
Overview
Syllabus
Introduction
The Norm
Undefined
Not perfect
Process of elimination
Standard error message format
The parsing phase
Check turbofish missing angle brackets
Mutability error
Lifetime error
eagerness
other languages
Taught by
Rust