Common data structures include basic data types, composite data types, and other data structures. Detailed introduction: 1. Basic data types include integer types: int, int8, int16, int32, int64, uint, uint8, uint16, uint32, uint64; floating point types: float32, float64; complex number types: complex64, complex128; Boolean types: bool; string type: string, etc.
Operating system for this tutorial: Windows 10 system, go1.20.1 version, Dell G3 computer.
Go language (Golang) has rich built-in data types and some basic data structures. The following are some common data structures:
1. Basic data types:
Integer types: int, int8, int16, int32, int64, uint, uint8, uint16, uint32, uint64
Floating point type: float32, float64
Complex number type: complex64, complex128
Boolean type: bool
String type: string
Character type: rune (used to represent Unicode characters)
2. Composite data type:
Array (Array): Fixed-size element sequence.
var arr [3]int // 声明一个包含3个整数的数组
Slice: A dynamically sized sequence that can be changed.
var slice []int // 创建一个切片
Map: An unordered collection of key-value pairs.
var m map[string]int // 创建一个映射,键为字符串,值为整数
Structure (Struct): A custom composite data type that can contain different types of fields.
type Person struct { Name string Age int }
Channel: Communication mechanism used to transfer data between different Goroutines.
ch := make(chan int) // 创建一个整数类型的通道
3. Other data structures:
Function: Function in Go is also a data type and can be passed to other functions as parameters.
func add(a, b int) int { return a + b }
Interface (Interface): Used to define a collection of methods. The type that implements these collections of methods is called the implementation of the interface.
type Shape interface { Area() float64 }
Pointer: Memory address used to store variables.
var x int ptr := &x // ptr是指向x的指针
These data structures and types make the Go language suitable for various application scenarios, from simple scripts to complex concurrent network services.
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