if local == "" {
						local = peer
					}
				}
			}

			allSet.Add(peer)
		}
	}

	return allSet.ToSlice(), local
}

// Endpoints - list of same type of endpoint.
type Endpoints []Endpoint

// HTTPS - returns true if secure for URLEndpointType.
func (endpoints Endpoints) HTTPS() bool {
	return endpoints[0].HTTPS()
}

github.com/asaskevich/govalidator
https://github.com/asaskevich/govalidator
----------------------------------------------------------------
The MIT License (MIT)

Copyright (c) 2014-2020 Alex Saskevich

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal