Quick Reference

Updated Mar 2026

Fast-lookup reference cards for day-to-day Rust development. Designed for quick scanning when you already know the concept.

Reference Index

Reference	Description
Cargo Commands	Every cargo command you need with flags and examples
Type System	Scalars, compounds, generics, type aliases, and conversions
Smart Pointers	Box, Rc, Arc, RefCell, Cow — when to use which
Pattern Matching	match, if let, while let, destructuring, guards
Collections	Vec, String, HashMap, HashSet, BTreeMap, VecDeque
Macros	macro_rules!, procedural macros, common derives
Troubleshooting	Common errors and how to fix them