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Contents
# frozen_string_literal: true
unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
require 'json'
end
begin
require 'bigdecimal'
rescue LoadError
end
class BigDecimal
# See #as_json.
def self.json_create(object)
BigDecimal._load object['b']
end
# Methods <tt>BigDecimal#as_json</tt> and +BigDecimal.json_create+ may be used
# to serialize and deserialize a \BigDecimal object;
# see Marshal[https://docs.ruby-lang.org/en/master/Marshal.html].
#
# \Method <tt>BigDecimal#as_json</tt> serializes +self+,
# returning a 2-element hash representing +self+:
#
# require 'json/add/bigdecimal'
# x = BigDecimal(2).as_json # => {"json_class"=>"BigDecimal", "b"=>"27:0.2e1"}
# y = BigDecimal(2.0, 4).as_json # => {"json_class"=>"BigDecimal", "b"=>"36:0.2e1"}
# z = BigDecimal(Complex(2, 0)).as_json # => {"json_class"=>"BigDecimal", "b"=>"27:0.2e1"}
#
# \Method +JSON.create+ deserializes such a hash, returning a \BigDecimal object:
#
# BigDecimal.json_create(x) # => 0.2e1
# BigDecimal.json_create(y) # => 0.2e1
# BigDecimal.json_create(z) # => 0.2e1
#
def as_json(*)
{
JSON.create_id => self.class.name,
'b' => _dump,
}
end
# Returns a JSON string representing +self+:
#
# require 'json/add/bigdecimal'
# puts BigDecimal(2).to_json
# puts BigDecimal(2.0, 4).to_json
# puts BigDecimal(Complex(2, 0)).to_json
#
# Output:
#
# {"json_class":"BigDecimal","b":"27:0.2e1"}
# {"json_class":"BigDecimal","b":"36:0.2e1"}
# {"json_class":"BigDecimal","b":"27:0.2e1"}
#
def to_json(*args)
as_json.to_json(*args)
end
end if defined?(::BigDecimal)
Version data entries
17 entries across 17 versions & 3 rubygems