class Solargraph::Source::Chain::Link

def == other
  self.class == other.class and word == other.word
end

def clone_body
  clone.mark_head(false)
end

def clone_head
  clone.mark_head(true)
end

def constant?
  is_a?(Chain::Constant)
end

def head?
  @head ||= false
end

def initialize word = '<undefined>'
  @word = word
end

def mark_head bool
  @head = bool
  self
end

def resolve api_map, name_pin, locals
  []
end

def undefined?
  word == '<undefined>'
end