plugin system in nim

plugin.nim

# A plugin interface might look like this

type PluginInterface = ref object of RootObj
  discard # here might be some vars

# virtual methods (not implemented)
# on irc message
method onMsg(this: PluginInterface, msg: string) =
  discard

# on user join
method onUserJoin(this: PluginInterface, user: string) =
  discard


# Let's write a plugin

type CoolPlugin = ref object of PluginInterface
  userCount: int

# implement / overwrite methods
method onMsg(this: CoolPlugin, msg: string) =
  # display message
  echo ("we got a messsage: ", msg)

method onUserJoin(this: CoolPlugin, user: string) =
  # count users
  this.userCount.inc