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Smart Pointers & Interior Mutability

Rc, Arc, Weak, Cow and custom smart pointer patterns

4 Patterns4 Interactive1 Live Demos
Rc/Arc Usage Patterns
intermediate
When to use each and cycle prevention
🎮 Playground⚡ Live Demorcarc+1
Weak Pointers
advanced
Breaking cycles in graph structures
🎮 Playgroundweakgraphs+1
Clone-on-Write (Cow)
intermediate
Zero-copy until mutation needed
🎮 Playgroundcowoptimization+1
Custom Smart Pointers
expert
Building your own Box-like types
🎮 Playgroundderefdrop+1