module TwoWayMapper::Tools

Public Class Methods

first_item_from_hash!(hash) click to toggle source
# File lib/two_way_mapper/tools.rb, line 6
def first_item_from_hash!(hash)
  raise ArgumentError unless hash.is_a?(Hash)
  raise ArgumentError unless (first = hash.first)

  hash.delete(first[0])
  first
end