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#frozen_string_literal: false
unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
require 'json'
end
class Exception
# See #as_json.
def self.json_create(object)
result = new(object['m'])
result.set_backtrace object['b']
result
end
# Methods <tt>Exception#as_json</tt> and +Exception.json_create+ may be used
# to serialize and deserialize a \Exception object;
# see Marshal[rdoc-ref:Marshal].
#
# \Method <tt>Exception#as_json</tt> serializes +self+,
# returning a 2-element hash representing +self+:
#
# require 'json/add/exception'
# x = Exception.new('Foo').as_json # => {"json_class"=>"Exception", "m"=>"Foo", "b"=>nil}
#
# \Method +JSON.create+ deserializes such a hash, returning a \Exception object:
#
# Exception.json_create(x) # => #<Exception: Foo>
#
def as_json(*)
{
JSON.create_id => self.class.name,
'm' => message,
'b' => backtrace,
}
end
# Returns a JSON string representing +self+:
#
# require 'json/add/exception'
# puts Exception.new('Foo').to_json
#
# Output:
#
# {"json_class":"Exception","m":"Foo","b":null}
#
def to_json(*args)
as_json.to_json(*args)
end
end
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