multiple return values _ golang
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
functions _ golang
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
range _ golang
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
map _ golang
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
slices _ golang
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
array _ golang
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
switch _ golang
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
if else _ golang
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
for _ golang
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
constants _ golang
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