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
Tag
rust
31 posts
Rust
Rust Enums and Why They Replace Class Hierarchies Explained
Rust enums carry data in each variant, which replaces the class hierarchy and the nullable field. See the syntax, match, methods, and where it beats inheritance.
9 min read
Rust
Rust Pattern Matching From Simple Match to Slice Patterns
Rust match is exhaustive: the compiler checks every case. Learn literals, ranges, guards, bindings, tuple, struct and slice patterns with working examples.
7 min read
Rust
Integer Overflow in Rust and Why Debug and Release Differ
Integer overflow panics in a debug build and wraps in a release build. See the exact behavior, the checked, wrapping and saturating methods, and the setting that changes it.
6 min read
Rust
Rust Data Types From Integers to Tuples and Arrays
A tour of Rust primitive and compound types: integers, floats, bool, char, tuples, arrays and slices, with their sizes, defaults and the casts that bite.
7 min read
Rust
Variables and Mutability in Rust Explained With Examples
Rust variables are immutable by default. Learn let, let mut, shadowing, constants and the compiler messages you will meet when you change a value you did not mark.
7 min read
Editor's pick
RustGuide
A Rust Language Tour for Developers Who Already Code
A fast route through the Rust language for developers who already code in another language, built around one small program that touches ownership, enums, traits and errors.
18 min read