Sha256: f7187d5b3644aba822fa7b4151714c76eab2d8c4ef00614b6816e1b0304e57bc
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Versions: 15
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Contents
# encoding: utf-8
module Mongoid #:nodoc:
module Extensions #:nodoc:
module Hash #:nodoc:
module Conversions #:nodoc:
extend ActiveSupport::Concern
# Get the difference between 2 hashes. This will give back a new hash
# with the keys and pairs of [ old, new ] values.
#
# Example:
#
# first = { :field => "value" }
# second = { :field => "new" }
# first.difference(second) # => { :field => [ "value", "new" ] }
#
# Returns:
#
# A +Hash+ of modifications.
def difference(other)
changes = {}
each_pair do |key, value|
if other.has_key?(key)
new_value = other[key]
changes[key] = [ value, new_value ] if new_value != value
end
end
changes
end
module ClassMethods #:nodoc:
def get(value)
value
end
def set(value)
value
end
end
end
end
end
end
Version data entries
15 entries across 15 versions & 2 rubygems