public GangMemberCollection RemoveMember(IGangMember member)
{
if (member == HostMember)
{
return(OtherMembers.Any()
? new GangMemberCollection(OtherMembers[0], OtherMembers.Skip(1))
: null);
}
return(new GangMemberCollection(HostMember, OtherMembers.Remove(member)));
}
public GangMemberCollection(
IGangMember hostMember = null,
IEnumerable <IGangMember> otherMembers = null)
{
HostMember = hostMember;
OtherMembers = otherMembers == null
? ImmutableArray <IGangMember> .Empty
: otherMembers.ToImmutableArray();
Members = HostMember == null
? OtherMembers
: OtherMembers.Add(HostMember);
}
public GangMemberCollection AddMember(IGangMember member)
{
if (Members.Any(m => m.Id.SequenceEqual(member.Id)))
{
throw new Exception("Member exists");
}
if (HostMember == null)
{
return(new GangMemberCollection(member));
}
return(new GangMemberCollection(HostMember, OtherMembers.Add(member)));
}
