class Dry::Schema::Message

def <=>(other)
  l_path = _path
  r_path = other._path
  unless l_path.same_root?(r_path)
    raise ArgumentError, "Cannot compare messages from different root paths"
  end
  l_path <=> r_path
end

def _path
  @_path ||= Path[path]
end

def dump
  @dump ||= meta.empty? ? text : {text: text, **meta}
end

def eql?(other)
  other.is_a?(String) ? text == other : super
end

def hint?
  false
end

def to_h
  @to_h ||= _path.to_h(dump)
end

def to_or(root)
  clone = dup
  clone.instance_variable_set("@path", path - root.to_a)
  clone.instance_variable_set("@_path", nil)
  clone
end