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module Aws
# @api private
class Structure < Struct
if Struct.instance_methods.include?(:to_h)
alias orig_to_h to_h
end
def initialize(values = {})
values.each do |k, v|
self[k] = v
end
end
# @return [Boolean] Returns `true` if this structure has a value
# set for the given member.
def key?(member_name)
!self[member_name].nil?
end
# @return [Boolean] Returns `true` if all of the member values are `nil`.
def empty?
values.compact == []
end
# Deeply converts the Structure into a hash. Structure members that
# are `nil` are omitted from the resultant hash.
#
# You can call #orig_to_h to get vanilla #to_h behavior as defined
# in stdlib Struct.
#
# @return [Hash]
def to_h(obj = self)
case obj
when Struct
obj.members.each.with_object({}) do |member, hash|
value = obj[member]
hash[member] = to_hash(value) unless value.nil?
end
when Hash
obj.each.with_object({}) do |(key, value), hash|
hash[key] = to_hash(value)
end
when Array
obj.collect { |value| to_hash(value) }
else
obj
end
end
alias to_hash to_h
undef_method :each
class << self
# @api private
def new(*args)
if args == ['AwsEmptyStructure']
super
elsif args.empty? || args.first == []
EmptyStructure
else
super(*args)
end
end
end
end
end
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997 entries across 997 versions & 2 rubygems