10 examples of 'golang make map' in Go

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9func createMap() {
10 //initialize map with key and value as string
11 var stringMap = make(map[string]string)
12
13 //add keys to map
14 stringMap["A"] = "AAA"
15 stringMap["B"] = "BBB"
16 stringMap["C"] = "CCC"
17
18 fmt.Print(stringMap)
19
20 //delete key
21 delete(stringMap, "A")
22
23 //initialize map with key and value using a map literal
24 var intMap = map[int]string{
25 1: "one",
26 2: "two",
27 3: "three",
28 }
29
30 fmt.Print(intMap)
31
32 //access item from map
33 value, ok := intMap[1] //ok is true if item exists
34 if ok {
35 fmt.Printf("Key = 1; Value =%v", value)
36 }
37}
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102func (v *BaseApiParserVisitor) VisitMapType(ctx *MapTypeContext) interface{} {
103 return v.VisitChildren(ctx)
104}
127func (e *encoder) mapv(tag string, in reflect.Value) {
128 e.mappingv(tag, func() {
129 for _, k := range in.MapKeys() {
130 e.marshal("", k)
131 e.marshal("", in.MapIndex(k))
132 }
133 })
134}
276func (timeParser) CorrectMapType(val interface{}) (res bool) {
277 _, res = val.(map[string]time.Time)
278 return
279}
320func (boolParser) CorrectMapType(val interface{}) (res bool) {
321 _, res = val.(map[string]bool)
322 return
323}
92func (u *unmarshalGen) gStruct(s *Struct, x *extra) {
93 u.depth++
94 defer func() {
95 u.depth--
96 }()
97
98 if !u.p.ok() {
99 return
100 }
101 if u.cfg.AllTuple || s.AsTuple {
102 u.tuple(s)
103 } else {
104 u.mapstruct(s)
105 }
106 return
107}
147func newMapTypeName(key Type, elem Type) tokens.TypeName {
148 return tokens.TypeName(fmt.Sprintf(TypeDecorsMap, key.Name(), elem.Name()))
149}
215func (v *Info) WithMapOfAnything(val map[string]interface{}) *Info {
216 v.MapOfAnything = val
217 return v
218}
533func (v *Server) WithMapOfAnything(val map[string]interface{}) *Server {
534 v.MapOfAnything = val
535 return v
536}
317func (v *Contact) WithMapOfAnything(val map[string]interface{}) *Contact {
318 v.MapOfAnything = val
319 return v
320}

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