module Kernel

# File lib/timerage.rb, line 35
def Timerage(time_or_time_interval_ish)
  thing = time_or_time_interval_ish

  case thing
  when ->(x) { x.respond_to? :to_time_interval }
    thing

  when ->(x) { x.respond_to? :exclude_end? }
    Timerage::TimeInterval.new(thing)

  when ->(x) { x.respond_to? :to_str }
    Timerage.parse_iso8601(thing.to_str)

  when ->(x) { x.respond_to? :to_time }
    thing.to_time

  else
    fail TypeError, "unable to coerce #{thing} to a time or interval"

  end
end