| instance methods | 
| [ ] | meth[ [args]* ]
        -> anObject | 
 | Synonym for Method.call. | | arity | meth.arity -> aFixnum | 
 | Returns an indication of the number of arguments accepted by a method.
      Returns a nonnegative integer for methods that take a fixed number
      of arguments.  For Ruby methods that take a variable number of 
      arguments, returns -n-1, where n is the number of required
      arguments. For methods written in C, returns -1 if the call
      takes a variable number of arguments. | | call | meth.call( [args]* )
        -> anObject | 
 | Invokes the meth with the specified
      arguments, returning the method's return value. 
| m = 12.method("+") |  
  | m.call(3) | » | 15 |  
  | m.call(20) | » | 32 |  | | to_proc | meth.to_proc -> aProc | 
 | Returns a Procobject corresponding to this method. |