You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: single_nocov.rb
    path of file: ./repos/simplecov/spec/fixtures
    
    the code of the file until where you have to start completion: # :nocov:
module SingleNocov
  def se
    
  def self.call(arg)
    if arg.odd?
      :odd
    elsif arg == 30
      :mop
    elsif arg == 42
      :yay
    else
      :nay
    end