Traits & Generics

12 pages in this section.

Traits as capability contracts, generics plus monomorphization versus trait objects plus dynamic dispatch, and how to choose between them when designing an API.

Explainer Rust Traits Generics Interface Design

Traits Basics

Defining and implementing behavior contracts.

Rust Traits Basics

Default Methods & Supertraits

Provided methods and trait hierarchies.

Rust Traits Supertraits

Generics

Generic functions, structs, and `impl` blocks.

Rust Generics

Trait Bounds

`where` clauses, multiple bounds, and `impl Trait`.

Rust Traits Bounds

Trait Objects & Dynamic Dispatch

Rust Traits Dyn Trait Objects

Static vs Dynamic Dispatch

Rust Traits Dispatch Performance

Associated Types & Constants

Rust Traits Associated Types

Operator Overloading

Implementing `Add`, `Index`, and friends.

Rust Traits Operators Ops

Blanket & Conditional Impls

Rust Traits Blanket Impls

Common Standard Traits

`From`/`Into`, `Default`, `Ord`, `Hash`, `Deref`.

Rust Traits Std Display

Traits & Generics Best Practices

Designing flexible, coherent trait APIs.

Rust Traits Generics Best Practices

Traits & Generics

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Traits & Generics