My mind is not working and I can't find how to fix the following program
(https://play.golang.org/p/oXxUndUSye):
package main
import (
"fmt"
)
type set map[string]struct{}
var validSub set
func init() {
validSub.Init([]string{"aa", "bb", "cc"})
fmt.Printf("%+v\n", validSub)
}
func (s set) Init(slice []string) {
s = make(map[string]struct{}, len(slice))
for _, s1 := range slice {
s[s1] = struct{}{}
}
}
func (s set) Has(a string) bool { _, ok := s[a]; return ok }
func main() {
fmt.Println(validSub.Has("aa"))
fmt.Println(validSub.Has("dd"))
}
Please help.
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