Zhentiw - 博客园

2022年9月6日

摘要： package main import ( "errors" "fmt" "strings" ) func shouldGreaterThanTen(num int) error { if num < 10 { return errors.New("Number is less than 10") 阅读全文

posted @ 2022-09-06 02:15 Zhentiw 阅读(28) 评论(0) 推荐(0)

[GO] Pass by reference

摘要： func changeName(name *string) { *name = strings.ToUpper(*name) } // Coordinates type Coordinates struct { X, Y float64 } func main() { name := "Elvis" 阅读全文

posted @ 2022-09-06 01:56 Zhentiw 阅读(22) 评论(0) 推荐(0)

[Go] Pointer

摘要： var name string var namePointer *string // Pointer name = "Beyonce" namePointer = &name // Assign a Pointer fmt.Println("Name: ", name) fmt.Println("N 阅读全文

posted @ 2022-09-06 01:42 Zhentiw 阅读(30) 评论(0) 推荐(0)

2022年9月5日

[Go] struct

摘要： package main import "fmt" type User struct { ID int FirstName string LastName string Email string } func main() { u := User{ID: 1, FirstName: "Z", Las 阅读全文

posted @ 2022-09-05 15:13 Zhentiw 阅读(27) 评论(0) 推荐(0)

[Go] Unit testing

摘要： file: utils/math.go package utils import ( "fmt" ) func printNum(num int) { fmt.Println("Current number is: ", num) } // Add multi int number together 阅读全文

posted @ 2022-09-05 14:57 Zhentiw 阅读(23) 评论(0) 推荐(0)

[Go] Package

摘要： Create a new folder utilswith a new file math.go package utils import ( "fmt" ) func printNum(num int) { fmt.Println("Current number is: ", num) } // 阅读全文

posted @ 2022-09-05 14:49 Zhentiw 阅读(35) 评论(0) 推荐(0)

[Go] Map

摘要： A Go map type looks like this: map[KeyType]ValueType This variable m is a map of string keys to int values: var m map[string]int Map types are referen 阅读全文

posted @ 2022-09-05 14:28 Zhentiw 阅读(29) 评论(0) 推荐(0)

[Go] Slice

摘要： An array has a fixed size. A slice, on the other hand, is a dynamically-sized, flexible view into the elements of an array. In practice, slices are mu 阅读全文

posted @ 2022-09-05 14:11 Zhentiw 阅读(33) 评论(0) 推荐(0)

2022年9月4日

[Go] Creating a slice with make

摘要： Slices can be created with the built-in make function; this is how you create dynamically sized arrays. The make function allocates a zeroed array and 阅读全文

posted @ 2022-09-04 22:50 Zhentiw 阅读(33) 评论(0) 推荐(0)

[Go] Array

摘要： package main import ( "fmt" ) func main() { //var scores [5]float64 //fmt.Println(scores) // [0.0, 0.0,0.0,0.0,0.0] //var scores [5]float64 = [5]float 阅读全文

posted @ 2022-09-04 20:13 Zhentiw 阅读(24) 评论(0) 推荐(0)

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