Member predicate ScanfFormatLiteral :: getMaxWidthOpt

Gets the maximum width option of the nth input (empty string if none is given).


                            
                                
                                    string
                                
                                 
                            
                            
                                getMaxWidthOpt
                            
                            
                                (
                                
                                    
                                        int
                                    
                                     
                                    n
                                
                                )