ruby - Rails CanCan - wrong number of arguments (0 for 2+) -


I have received this code: 

  def editing @ shipp = ship.fund ( params [: id]) authorized! if can? : Make, @ship # unauthorized! if can? : Update, @ship # unauthorized! If not? : Update, @ship End   
 And I'm getting this error:  
  Error on logic / ships / 4 / Edit the wrong number of arguments (For 2 to 2) +)   
 which is highlighting this line:  
  authorize! if can? : Make, @ship   
 I have tried a lot, but whatever we did earlier, which was just now:  
  authorize! @ship   
 And lack of rewriting of user system with roles I'm not sure how to solve it.  
 This is my ability class:  
  Class eligibility includes CanCan :: Ability def initializer (user) #if! User if user.try (: admin?) Can: manage, return: all Elsf! Users can: read, ship: can read, planets can be returned again: read, all: # scan: management, ship, user_id = & gt; User.id: can manage, ship. Ship Ship.try (: user) == User end end    
 
 
 method two required The parameter is at least -  verb  and  subject , so your code should probably appear:  
  authorize! : If you can ship, @, if? : Create, @ship

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