GOlanguage# GOlanguage可爱捏

package main

import "fmt"

func main() {
	fmt.Println("Hello world")
	arr := []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9}
	fmt.Println(a(arr))
}

package main

func a(x []int) []int {
	for i := 0; i < len(x); i++ {
		if i%2 == 0 {
			x[i] = 1
		}
	}
	return x
}

Modify the string

s := "hello"
c := []byte(s)  // String s Convert []byte type
c[0] = 'c'
s2 := string(c)  // Conversion back string type
fmt.Printf("%s\n", s2)

s := "hello"
s = "c" + s[1:] // Although the string cannot be changed，But sliced ​​operation
fmt.Printf("%s\n", s)

What to do if you want to declare a multi -line string？able to pass`To declare：

m := `hello
world`

` The string of the included isRawString，即String在代码中of形式就是打印时of形式，It has no character righteousness，Change will also output the original as the original

错误type

GoThere is a built -inerrortype，Specially used to process error information，GoofpackageThere is also a bag in iterrorsTo deal with errors：

err := errors.New("emit macho dwarf: elf header corrupted")
if err != nil {
fmt.Print(err)
}