\u58f0\u660e:\u4ee5\u4e0b\u9009\u62e9\u9898\u53ef\u80fd\u4e3a\u591a\u9009<\/p>\n
\u9009\u62e9\u98981:\u4e0b\u5217\u54ea\u4e2a\u8bed\u6cd5\u4e0d\u5bf9<\/p>\n
A. func f(a, b int) (value int, err error)<\/p>\n
B. func f(a, b int) (value int, error)<\/p>\n
C. func f(a int, b int) (int, int, error)<\/p>\n
D. func f(a int, b int) (value int, err error)<\/p>\n
\u9009\u62e9\u98982:\u4e0b\u5217\u54ea\u4e2a\u7c7b\u578b\u4e0d\u80fd\u8f6c\u5316\u4e3a\u6b63\u786e\u7684Json\u6570\u636e
\nA. \u6307\u9488
\nB. channel
\nC. complex
\nD. \u51fd\u6570<\/p>\n
\u9009\u62e9\u98983:\u4e0b\u5217\u54ea\u4e2aadd\u51fd\u6570\u8c03\u7528\u6b63\u786e<\/p>\n
func add(args …int) int {<\/p>\n
\u200b sum :=0<\/p>\n
\u200b for _, arg := range args {<\/p>\n
\u200b sum += arg<\/p>\n
\u200b }<\/p>\n
return sum<\/p>\n
}
\nA. add(1, 2)
\nB. add(1, 3, 7)
\nC. add([]int{1, 2})
\nD. add([]int{1, 3, 7}…)<\/p>\n
\u9009\u62e9\u98984:init\u51fd\u6570\uff0c\u54ea\u4e2a\u6b63\u786e
\nA.\u7a0b\u5e8f\u7f16\u8bd1\u65f6\uff0c\u5148\u6267\u884c\u5bfc\u5165\u5305\u7684init\u51fd\u6570\uff0c\u518d\u6267\u884c\u672c\u5305\u5185\u7684init\u51fd\u6570
\nB. \u4e00\u4e2a\u5305\u4e2d\uff0c\u53ef\u4ee5\u5305\u542b\u591a\u4e2ainit\u51fd\u6570
\nC. main\u5305\u4e2d\uff0c\u4e0d\u80fd\u6709init\u51fd\u6570
\nD. init\u51fd\u6570\u53ef\u4ee5\u88ab\u5176\u4ed6\u51fd\u6570\u8c03\u7528<\/p>\n
\u9009\u62e9\u98985:\u8bf7\u95ee\u8f93\u51fa\u7ed3\u679c\u987a\u5e8f<\/p>\n
“`go
\nfunc main() {
\ni := 0
\nif true {
\ndefer fmt.Println(i)
\ni++
\n} else {
\ndefer fmt.Println(i + 1)
\n}
\ni++
\nfmt.Println(i)
\n}
\n“`<\/p>\n
———————<\/p>\n
\u58f0\u660e:\u4ee5\u4e0b\u7f16\u7a0b\u9898\u5747\u4e3a\u53ef\u6267\u884c\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6<\/p>\n
\u7f16\u7a0b\u98981:\u53bb\u9664slice\u4e2d\u91cd\u590d\u5b57\u7b26\u4e32\u5143\u7d20(testing\u5305\u6700\u597d\u6d4b\u8bd5\u4e00\u4e0b\u8017\u65f6)<\/p>\n
[]string{“a”, “a”, “b”, “b”, “v”, “d”, “v”, “d”, “c”\uff0c”d”}<\/p>\n
\u7f16\u7a0b\u98982:\u4f7f\u7528\u6570\u7ec4\u6307\u9488,\u91cd\u5199\u4ee5\u4e0b\u51fd\u6570(\u6ce8\u610f\u662f\u628a\u53c2\u6570:(s []string) \u6539\u6210\u6570\u7ec4\u6307\u9488)<\/p>\n
“`go
\nfunc reverse(s []string) []string {
\nvar n []string
\nfor i := len(s) – 1; i >= 0; i– {
\nn = append(n, string(s[i]))
\n}
\nreturn n
\n}
\n“`<\/p>\n
\u7f16\u7a0b\u98983:\u4f7f\u75281\u4e2agoroutine, select, channal\u5b9e\u73b0\u4e00\u4e2a\u534f\u7a0b\u4f20\u53c2(int\u7c7b\u578b)\u5230\u53e6\u5916\u4e00\u4e2a\u534f\u7a0b\u6bcf\u4e00\u79d2\u52a01\u6267\u884c10\u79d2\u540e\u901a\u77e5\u53e6\u5916\u4e00\u4e2a\u534f\u7a0b\u8f93\u51fa\u7ed3\u679c<\/p>\n
\u7f16\u7a0b\u98984:\u8bf7\u4f7f\u7528\u4e0b\u5217map(m1, m2\u5185\u5bb9\u4e00\u6837)\uff0c\u5206\u522b\u5199\u4e00\u4e2afor\u5faa\u73af\u4fee\u6539\u4ed6\u4eec\u7684\u5e74\u9f84\u4e3a2(\u6ce8\u610fm1\uff0cm2\u90fd\u8981\u4fee\u6539)<\/p>\n
“`go
\ntype Student struct {
\nName string
\nAge string
\n}<\/p>\n
var m1 = map[string]Student{
\n“\u5f20\u4e09”: Student{
\nName: “\u5f20\u4e09”,
\nAge: 1,
\n},
\n“\u674e\u56db”: Student{
\nName: “\u674e\u56db”,
\nAge: 1,
\n},
\n}<\/p>\n
var m2 = map[string]*Student{
\n“\u5f20\u4e09”:: &Student{
\nName: “\u5f20\u4e09”,
\nAge: 1,
\n},
\n“\u674e\u56db”: &Student{
\nName: “\u674e\u56db”,
\nAge: 1,
\n},
\n}
\n“`<\/p>\n
\u7f16\u7a0b\u98985:\u7c7bA \u7c7bB \u5b9e\u73b0\u4e0b\u5217\u63a5\u53e3 ,\u5e76\u5c06\u4e24\u4e2a\u7c7b\u4f20\u5165\u4e0b\u9762map\u4e2d,for\u5faa\u73afSetType\u7c7bA\u4e3a1, \u7c7bB\u4e3a2,\u518dfor\u8f93\u51faGetType<\/p>\n
“`go
\n\/\/\u63a5\u53e3
\ntype IAnything interface {
\nGetType() int \/\/\u83b7\u53d6\u7c7b\u578b
\nSetType(typ int) \/\/\u8bbe\u7f6e\u7c7b\u578b
\n}
\nvar AnythingMap = map[int]IAnything{}
\n“`<\/p>\n
———————<\/p>\n","protected":false},"excerpt":{"rendered":"
\u58f0\u660e:\u4ee5\u4e0b\u9009\u62e9\u9898\u53ef\u80fd\u4e3a\u591a\u9009 \u9009\u62e9\u98981:\u4e0b<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[],"tags":[122],"class_list":["post-2807","post","type-post","status-publish","format-standard","hentry","tag-06-godocker"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/2807","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/comments?post=2807"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/2807\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=2807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=2807"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=2807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}