Defining Basic Enums

Snippet

Defining Basic Enums

Enums (enumerations) allow you to define a type by enumerating its possible variants. Variants can also hold data.

snippet.rs
rust
enum WebEvent {
    PageLoad,
    PageUnload,
    KeyPress(char),
}
 
let load = WebEvent::PageLoad;
let press = WebEvent::KeyPress('x');

Breakdown

enum WebEvent { ... }

Declares an enum type named WebEvent with three possible variants.

KeyPress(char)

A variant that includes additional character data.

WebEvent::PageLoad

Accessing a specific variant using the double colon syntax.

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Defining Basic Enums

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