func NewStringSet() StringSet {
	s := make(StringSet)
	return s
}
NewStringSet creates and returns a reference to an empty set.
func NewStringSet(a ...string) StringSet {
s := make(StringSet)
for _, i := range a {
s.Add(i)
}
return s
}
NewStringSet creates and returns a reference to an empty set.
package gopherdiscovery
type StringSet map[string]struct{}