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Contents
# Copyright (C) 2009-2020 MongoDB Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
module BSON
# Represents the Undefined BSON type
#
# @see http://bsonspec.org/#/specification
#
# @since 2.0.0
class Undefined
include Specialized
# Undefined is type 0x06 in the BSON spec.
#
# @since 2.0.0
BSON_TYPE = 6.chr.force_encoding(BINARY).freeze
# Determine if undefined is equal to another object.
#
# @example Check undefined equality.
# BSON::Undefined.new == object
#
# @param [ Object ] other The object to check against.
#
# @return [ true, false ] If the objects are equal.
#
# @since 2.0.0
def ==(other)
self.class == other.class
end
# Converts this object to a representation directly serializable to
# Extended JSON (https://github.com/mongodb/specifications/blob/master/source/extended-json.rst).
#
# @option opts [ nil | :relaxed | :legacy ] :mode Serialization mode
# (default is canonical extended JSON)
#
# @return [ Hash ] The extended json representation.
def as_extended_json(**options)
{ "$undefined" => true }
end
# Register this type when the module is loaded.
#
# @since 2.0.0
Registry.register(BSON_TYPE, self)
end
end
Version data entries
25 entries across 25 versions & 2 rubygems