Create the map y by cloning the map x.y is a shallow copy, not a deep copy.
y = x.copy()
var y = Map.of(x);
y := make(map[K]V, len(x)) for k, v := range x { y[k] = v }
import "maps"
y := maps.Clone(x)
import java.util.Map;
Map<K, V> y = x;
my %y = %x;
y = x.dup
No security, no password. Other people might choose the same nickname.
