module CampingFlash
# stackoverflow.com/questions/1766741/comparing-ruby-hashes class Hash
def diff(other) self.keys.inject({}) do |memo, key| unless self[key] == other[key] memo[key] = [self[key], other[key]] end memo end end
Public Class Methods
included(base)
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# File lib/tarpaulin/camping/flash.rb, line 25 def self.included(base) # self is CampingFlash # base is TheApp Camping::H.class_eval <<-EOT def diff(other) self.keys.inject({}) do |memo, key| unless self[key] == other[key] memo[key] = [self[key], other[key]] end memo end end EOT end