Share rust design patterns

There is the Rust Design Patterns book.

Now I am curious for more! Please share any patterns you have found or that are mentioned somewhere.

• Pre-Pooping Your Pants
• Rooting an Rc handle
• Precise closure capture clauses
• Iterating an over a Rc<Vec<T>>
• https://users.rust-lang.org/t/blog-post-series-rust-patterns/20080/10
• Push Ifs Up And Fors Down
• If a Tree Falls in a Forest, Does It Overflow the Stack?
• Destructing trees safely and cheaply
• Builder Lite
• Caches In Rust
• Inline In Rust
• Newtype Index Pattern
• Typed Key Pattern
• Encapsulating Lifetime of the Field