lengthOfYear property
      
      int
      get
      lengthOfYear
      
    
    
Returns the number of days in this date's year (365 or 366).
Implementation
int get lengthOfYear => isLeapYear ? 366 : 365;
Returns the number of days in this date's year (365 or 366).
int get lengthOfYear => isLeapYear ? 366 : 365;