Golang的一些功能函数——Slice
发布时间:2020-12-16 18:22:29 所属栏目:大数据 来源:网络整理
导读:1. 翻转slice func reverse(s [] int ) { for i,j := 0 , len (s )-1 ; i j; i,j = i +1 ,j -1 { s[i],s[j] = s[j],s[i] }} 2. []byte间比较大小 package main import ( "bytes" ) func main() { // Interpret Compare's result by comparing it to zero. va
1. 翻转slicefunc reverse(s []int) {
for i,j := 0,len(s)-1; i < j; i,j = i+1,j-1 {
s[i],s[j] = s[j],s[i]
}
}
2. []byte间比较大小package main
import (
"bytes"
)
func main() {
// Interpret Compare's result by comparing it to zero.
var a,b []byte
if bytes.Compare(a,b) < 0 {
// a less b
}
if bytes.Compare(a,b) <= 0 {
// a less or equal b
}
if bytes.Compare(a,b) > 0 {
// a greater b
}
if bytes.Compare(a,b) >= 0 {
// a greater or equal b
}
// Prefer Equal to Compare for equality comparisons.
if bytes.Equal(a,b) {
// a equal b
}
if !bytes.Equal(a,b) {
// a not equal b
}
}
3. []byte <-> string// string -> []byte
import "encoding/hex"
address := "Guangzhou"
address_byte := []byte(address)
// []byte -> string
address = hex.EncodeToString(address_byte) (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |