class Rufus::Scheduler

def to_block (params, &block)

wrapping a call to it.
if a :schedulable is set in the params, will return a block
Returns a block. If a block is passed, will return it, else,

def to_block (params, &block)
  return block if block
  schedulable = params.delete(:schedulable)
  return nil unless schedulable
  l = lambda do
    schedulable.trigger(params)
  end
  class << l
    attr_accessor :schedulable
  end
  l.schedulable = schedulable
  l
end