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proc
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opt
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ruby33
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share
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ruby
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json
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range.rb
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#frozen_string_literal: false unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED require 'json' end class Range # See #as_json. def self.json_create(object) new(*object['a']) end # Methods <tt>Range#as_json</tt> and +Range.json_create+ may be used # to serialize and deserialize a \Range object; # see Marshal[rdoc-ref:Marshal]. # # \Method <tt>Range#as_json</tt> serializes +self+, # returning a 2-element hash representing +self+: # # require 'json/add/range' # x = (1..4).as_json # => {"json_class"=>"Range", "a"=>[1, 4, false]} # y = (1...4).as_json # => {"json_class"=>"Range", "a"=>[1, 4, true]} # z = ('a'..'d').as_json # => {"json_class"=>"Range", "a"=>["a", "d", false]} # # \Method +JSON.create+ deserializes such a hash, returning a \Range object: # # Range.json_create(x) # => 1..4 # Range.json_create(y) # => 1...4 # Range.json_create(z) # => "a".."d" # def as_json(*) { JSON.create_id => self.class.name, 'a' => [ first, last, exclude_end? ] } end # Returns a JSON string representing +self+: # # require 'json/add/range' # puts (1..4).to_json # puts (1...4).to_json # puts ('a'..'d').to_json # # Output: # # {"json_class":"Range","a":[1,4,false]} # {"json_class":"Range","a":[1,4,true]} # {"json_class":"Range","a":["a","d",false]} # def to_json(*args) as_json.to_json(*args) end end