func (a Address) MemberOf(addrs []Address) bool {
	for _, v := range addrs {
		if v.Equal(a) {
			return true
		}
	}
	return false
}
// MemberOf returns true if the address is a member of the
// provided set.
MemberOf returns true if the address is a member of the
provided set.
// MemberOf returns true if the address is a member of the // provided set .
func (a Address) MemberOf(addrs []Address) bool {
	for _, v := range addrs {
		if v.Equal(a) {
			return true
		}
	}
	return false
}
func ( a Address ) MemberOf ( addrs [ ] Address ) bool { for _ , v := range addrs { if v . Equal ( a ) { return true } } return false }
MemberOf returns true if the address is a member of the
provided set.
MemberOf returns true if the address is a member of the provided set .