# Old Code
type InvalidConnectPacket = ref object of Exception
type InvalidPingPacket = ref object of Exception

raise newException(InvalidConnectPacket, "Invalid connect packet")
raise newException(InvalidPingPacket, "Invalid connect packet")

# New: How do I create an Exception object to raise new exceptions like this
raise newException(InvalidPacket(error: CONNECT), "Invalid connect packet")
raise newException(InvalidPacket(error: PING), "Invalid connect packet")

# Pseudo code for exception embedding enum
type
  ControlType = enum
    CONNECT = 1, PING

type InvalidPacket = ref object of Exception
  error: ControlType

## Error

Error: type mismatch: got (InvalidPacket, string)
but expected one of:
template newException[](exceptn: typedesc; message: string): expr