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enum.go
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enum.go
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package main
import (
"fmt"
)
type ACTION int32
const (
EMPTY ACTION = iota
PICKUP
PUTDOWN
TOUCH
APPROACH
)
var ACTION_name = map[ACTION]string{
EMPTY: "EMPTY",
PICKUP: "PICKUP",
PUTDOWN: "PUTDOWN",
TOUCH: "TOUCH",
APPROACH: "APPROACH",
}
var ACTION_value = map[string]ACTION{
"EMPTY": EMPTY,
"PICKUP": PICKUP,
"PUTDOWN": PUTDOWN,
"TOUCH": TOUCH,
"APPROACH": APPROACH,
}
func (x ACTION) String() string {
return ACTION_name[x]
}
func main() {
fmt.Println("by const:", PICKUP)
fmt.Println("by key:", ACTION(3))
fmt.Println("by value", ACTION_value["PICKUP"])
fmt.Printf("enum: %d \n", PICKUP)
fmt.Printf("enum string: %s \n", PICKUP)
}