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# frozen_string_literal: true
unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
require 'json'
end
class Symbol
# Methods <tt>Symbol#as_json</tt> and +Symbol.json_create+ may be used
# to serialize and deserialize a \Symbol object;
# see Marshal[https://docs.ruby-lang.org/en/master/Marshal.html].
#
# \Method <tt>Symbol#as_json</tt> serializes +self+,
# returning a 2-element hash representing +self+:
#
# require 'json/add/symbol'
# x = :foo.as_json
# # => {"json_class"=>"Symbol", "s"=>"foo"}
#
# \Method +JSON.create+ deserializes such a hash, returning a \Symbol object:
#
# Symbol.json_create(x) # => :foo
#
def as_json(*)
{
JSON.create_id => self.class.name,
's' => to_s,
}
end
# Returns a JSON string representing +self+:
#
# require 'json/add/symbol'
# puts :foo.to_json
#
# Output:
#
# # {"json_class":"Symbol","s":"foo"}
#
def to_json(*a)
as_json.to_json(*a)
end
# See #as_json.
def self.json_create(o)
o['s'].to_sym
end
end
|
