Rust
Rust Error Called Option Unwrap on a None Value Explained
The panic called Option unwrap on a None value means a value you assumed was present was not. See how to find the line, and six patterns that replace the unwrap.
7 min read
Tag
option
3 posts
RustGuide
Error Handling in Rust With Result Option and Question Mark
A working guide to error handling in Rust: Result, the question mark, custom error types, anyhow and thiserror, and the line between a panic and an error.
17 min read
Rust
Option in Rust and How to Stop Fearing the Null Case
Option replaces null in Rust. Learn Some and None, map, and_then, unwrap_or, the question mark operator and why unwrap on None panics.
8 min read