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files >> //opt/alt/ruby33/share/gems/gems/json-2.7.1/lib/json/add/complex.rb
#frozen_string_literal: false unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED require 'json' end class Complex # See #as_json. def self.json_create(object) Complex(object['r'], object['i']) end # Methods <tt>Complex#as_json</tt> and +Complex.json_create+ may be used # to serialize and deserialize a \Complex object; # see Marshal[rdoc-ref:Marshal]. # # \Method <tt>Complex#as_json</tt> serializes +self+, # returning a 2-element hash representing +self+: # # require 'json/add/complex' # x = Complex(2).as_json # => {"json_class"=>"Complex", "r"=>2, "i"=>0} # y = Complex(2.0, 4).as_json # => {"json_class"=>"Complex", "r"=>2.0, "i"=>4} # # \Method +JSON.create+ deserializes such a hash, returning a \Complex object: # # Complex.json_create(x) # => (2+0i) # Complex.json_create(y) # => (2.0+4i) # def as_json(*) { JSON.create_id => self.class.name, 'r' => real, 'i' => imag, } end # Returns a JSON string representing +self+: # # require 'json/add/complex' # puts Complex(2).to_json # puts Complex(2.0, 4).to_json # # Output: # # {"json_class":"Complex","r":2,"i":0} # {"json_class":"Complex","r":2.0,"i":4} # def to_json(*args) as_json.to_json(*args) end end
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