Part 8. Structs, Enums, and Unions

A struct is a type that groups several values together.

10 items

Section	Title
1	Struct Definitions
2	Struct Methods
3	Default Field Values
4	Packed Structs
5	Anonymous Structs
6	Enums
7	Tagged Unions
8	Union Safety
9	Modeling State Machines
10	Data-Oriented Design

Writes › Book › Zig › Part 8. Structs, Enums, and Unions ›

Struct Definitions

A struct is a type that groups several values together.

Writes › Book › Zig › Part 8. Structs, Enums, and Unions ›

Struct Methods

A struct method is a function that belongs to a struct.

Writes › Book › Zig › Part 8. Structs, Enums, and Unions ›

Default Field Values

A struct field can have a default value.

Writes › Book › Zig › Part 8. Structs, Enums, and Unions ›

Packed Structs

A normal Zig struct is designed for ordinary data modeling.

Writes › Book › Zig › Part 8. Structs, Enums, and Unions ›

Anonymous Structs

An anonymous struct is a struct type without a name.

Writes › Book › Zig › Part 8. Structs, Enums, and Unions ›

Enums

An enum is a type whose value must be one item from a fixed list.

Writes › Book › Zig › Part 8. Structs, Enums, and Unions ›

Tagged Unions

A tagged union is a type that can store one value from several possible shapes.

Writes › Book › Zig › Part 8. Structs, Enums, and Unions ›

Union Safety

A union stores one active field at a time.

Writes › Book › Zig › Part 8. Structs, Enums, and Unions ›

Modeling State Machines

A state machine is a simple way to describe a program that moves between fixed states.

Writes › Book › Zig › Part 8. Structs, Enums, and Unions ›

Data-Oriented Design

Data-oriented design means you organize a program around the data it processes.