errors

const (
	// Returned when a nickname parameter expected for a command and isn't found.
	//
	// ":No nickname given"
	ERR_NONICKNAMEGIVEN = "431"

	// Returned when a NICK message is processed that results in an attempt to
	// change to a currently existing nickname.
	//
	// "<nick> :Nickname is already in use"
	ERR_NICKNAMEINUSE = "433"

	// Returned by the server whenever a client tries to perform a channel
	// affecting command for which the client isn't a member.
	//
	// "<channel> :You're not on that channel"
	ERR_NOTONCHANNEL = "442"

	// Returned when a client tries to invite a user to a
	// channel they are already on.
	//
	// "<user> <channel> :is already on channel"
	ERR_USERONCHANNEL = "443"

	// Returned by the server by numerous commands to indicate to the client that
	// it didn't supply enough parameters.
	//
	// "<command> :Not enough parameters"
	ERR_NEEDMOREPARAMS = "461"

	// Returned by the server to any link which tries to change part of the
	// registered details (such as password or user details from second USER
	// message).
	//
	// ":Unauthorized command (already registered)"
	ERR_ALREADYREGISTRED = "462"

	// Used to indicate the nickname parameter supplied to a command is currently
	// unused.
	//
	// "<nickname> :No such nick/channel"
	ERR_NOSUCHNICK = "401"
)