The {Watcher} subclass for events fired based on a timer. Timer events are watched via {Queue#watch_timer}.
The interval on which the timer fires an event, in seconds.
@return [Numeric]
Creates a new timer Watcher.
@private
# File lib/rb-kqueue/watcher/timer.rb, line 14 def initialize(time, callback) time, unit = if time < 10**-3 [(time * 10**9).round, :nseconds] elsif time < 1 [(time * 10**6).round, :useconds] elsif time < 10**3 && !time.is_a?(Fixnum) [(time * 10**3).round, nil] # milliseconds else [time.round, :seconds] end super(queue, time, :timer, Array(unit), nil, callback) end