Is there any simpler/nicer way of getting a slice of keys from a map in Go?
Currently I am iterating over the map and copying the keys to a slice:
i := 0
keys := make([]int, len(mymap))
for k := range mymap {
keys[i] = k
i++
}
转载于:https://stackoverflow.com/questions/21362950/golang-getting-a-slice-of-keys-from-a-map