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摘要： Go has built-in support for multiple return values. This feature is used often in idiomatic Go, for example to return both result and error values fro... 阅读全文

摘要： Functions are central in Go. We'll learn about functions with a few different examplespackage mainimport ( "fmt")func plus(a int, b int) int { r... 阅读全文

摘要： range iterates over of elements in variety of data structures. Let's see how use range with some of the data structures we've already leranedpackage m... 阅读全文

摘要： Maps are Go's built-in associative data type(sometimes called hashes or dits in other languages)package mainimport ( "fmt")func main() { m := ma... 阅读全文

摘要： Slices are a key data type in Go, giving a more powerful interface to sequences than arrayspackage mainimport ( "fmt")func main() { s := make([]... 阅读全文

摘要： in Go, an array is a numbered sequence of elements of a specific lengthpackage mainimport ( "fmt")func main() { var a [5]int fmt.Println("emp... 阅读全文

摘要： switch 1: 在条件语句中，可以写多条的语句 2: 也可以不添加语句package mainimport ( "fmt" "time")func main() { i := 2 fmt.Println("write ", i, " as ") switch ... 阅读全文

摘要： if else 在 golangpackage mainimport ( "fmt")func main() { if 7%2 == 0 { fmt.Println("7 is even") } else { fmt.Println("7 is odd"... 阅读全文

摘要： for 是 golang 唯一的 looping 结构,package mainimport ( "fmt")func main() { i := 1 for i <= 3 { fmt.Println(i) i += 1 } for j :=... 阅读全文

摘要： golang 中支持 长量 const or staticpackage mainimport ( "fmt" "math")const s string = "constant"const a = 3000func main() { const s = 3000 fmt.P... 阅读全文