class Emit::InputGuard

Attributes

action[R]
channel_end[R]

Public Class Methods

new(argument, action=->(msg) {msg} click to toggle source
# File lib/emit/input_guard.rb, line 5
def initialize(argument, action=->(msg) {msg})
  case argument
  when InputGuard
    @channel_end, @action = argument.channel_end, argument.action
  when ChannelEndRead
    @channel_end, @action = argument, action
  when Array
    fail "Wrong number of arguments" unless argument.size == 2
    @channel_end, @action = argument
  else
    fail "Unknown input guard type"
  end

  fail "InputGuard must have a reading channel end." unless ChannelEndRead === @channel_end
  fail "InputGuard action cannot be nil" if @action.nil?
end