class PG::Coder

def ==(v)
	self.class == v.class && to_h == v.to_h
end

def dup
	self.class.new(**to_h)
end

def initialize(hash=nil, **kwargs)
	warn("PG::Coder.new(hash) is deprecated. Please use keyword arguments instead! Called from #{caller.first}", category: :deprecated) if hash
	(hash || kwargs).each do |key, val|
		send("#{key}=", val)
	end
end

def inspect
	str = self.to_s
	oid_str = " oid=#{oid}" unless oid==0
	format_str = " format=#{format}" unless format==0
	name_str = " #{name.inspect}" if name
	str[-1,0] = "#{name_str} #{oid_str}#{format_str}"
	str
end

def inspect_short
	str = case format
		when 0 then "T"
		when 1 then "B"
		else format.to_s
	end
	str += "E" if respond_to?(:encode)
	str += "D" if respond_to?(:decode)
	"#{name || self.class.name}:#{str}"
end

def marshal_dump
	Marshal.dump(to_h)
end

def marshal_load(str)
	initialize(**Marshal.load(str))
end

def to_h
	{
		oid: oid,
		format: format,
		flags: flags,
		name: name,
	}
end