Memory Management

Global Static

Recipe	Crates	Categories
Declare lazily evaluated constant	std	Caching Rust patterns
Std::cell	std	Caching Rust patterns
`std::cell:LazyCell`	std	Caching Rust patterns
`std::sync::LazyLock`	std	Caching Rust patterns

Smart Pointers

Recipe	Crates	Categories
Store different types in one vector with `Box<dyn Trait>`	std	Rust patterns
Share mutable structure between owners with `Rc<RefCell<T>>`	std	Rust patterns
Return borrowed or owned text with `Cow<str>`	std	Rust patterns
Update text using `mem::swap`, `mem::take` and `mem::replace`	std	Rust patterns