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# frozen_string_literal: true
class Object
def self.yaml_tag url
Psych.add_tag(url, self)
end
###
# call-seq: to_yaml(options = {})
#
# Convert an object to YAML. See Psych.dump for more information on the
# available +options+.
def to_yaml options = {}
Psych.dump self, options
end
end
# Up to Ruby 3.4, Set was a regular object and was dumped as such
# by Pysch.
# Starting from Ruby 4.0 it's a core class written in C, so we have to implement
# #encode_with / #init_with to preserve backward compatibility.
if defined?(::Set) && Set.new.instance_variables.empty?
class Set
def encode_with(coder)
hash = {}
each do |m|
hash[m] = true
end
coder["hash"] = hash
coder
end
def init_with(coder)
replace(coder["hash"].keys)
end
end
end
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