func main() {
m := make(map[int]int)
mdMap(m)
fmt.Println(m)
}
func mdMap(m map[int]int) {
m[1] = 100
m[2] = 200
}
map[2:200 1:100]
func main() {
var m map[int]int
mdMap(m)
fmt.Println(m)
}
func mdMap(m map[int]int) {
m = make(map[int]int)
m[1] = 100
m[2] = 200
}
map[]
Map types are reference types, like pointers or slices, ...
s1:
func main() {
s := make([]int, 2)
mdSlice(s)
fmt.Println(s)
}
func mdSlice(s []int) {
s[0] = 1
s[1] = 2
}
s2:
func main() {
var s []int
mdSlice(s)
fmt.Println(s)
}
func mdSlice(s []int) {
s = make([]int, 2)
s[0] = 1
s[1] = 2
}
func main() {
s := make([]int, 2)
mdSlice(s)
fmt.Println(s)
}
func mdSlice(s []int) {
s = append(s, 1)
s = append(s, 2)
}
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