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# frozen_string_literal: true
require 'set'
# MIME::Types requires a container Hash with a default values for keys
# resulting in an empty Set, but this cannot be dumped through Marshal because
# of the presence of that default Proc. This class exists solely to satisfy
# that need.
class MIME::Types::Container < Hash # :nodoc:
def initialize
super
self.default_proc = ->(h, k) { h[k] = Set.new }
end
def marshal_dump
{}.merge(self)
end
def marshal_load(hash)
self.default_proc = ->(h, k) { h[k] = Set.new }
merge!(hash)
end
def encode_with(coder)
each { |k, v| coder[k] = v.to_a }
end
def init_with(coder)
self.default_proc = ->(h, k) { h[k] = Set.new }
coder.map.each { |k, v| self[k] = Set[*v] }
end
end
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