Chapter 2. Names and Declarations

A Zig program is made from declarations.

9 items

Section	Title
1	Names and Declarations
2	`const` and `var`
3	Integer Types
4	Floating-Point Types
5	Booleans
6	Characters and Bytes
7	Type Inference
8	Explicit Casts
9	Exercises

Writes › Book › Learn › Learn Zig › Chapter 2. Names and Declarations ›

Names and Declarations

A Zig program is made from declarations.

Writes › Book › Learn › Learn Zig › Chapter 2. Names and Declarations ›

`const` and `var`

Zig has two kinds of variable declarations:

Writes › Book › Learn › Learn Zig › Chapter 2. Names and Declarations ›

Integer Types

Zig has signed and unsigned integer types.

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Floating-Point Types

Zig has floating-point types for numbers with fractional parts.

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Booleans

A boolean value is either true or false.

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Characters and Bytes

Zig does not have a separate character type for ordinary strings.

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Type Inference

A declaration may name its type explicitly.

Writes › Book › Learn › Learn Zig › Chapter 2. Names and Declarations ›

Explicit Casts

Zig does not perform most numeric conversions automatically.

Writes › Book › Learn › Learn Zig › Chapter 2. Names and Declarations ›

Exercises

This chapter introduced the basic forms of values and declarations: names, constants, variables, integer types, floating-point types, booleans, bytes, inferred types, and...