countTrue property
      
      int
      get
      countTrue
      
    
    
Counts the number of true values in the iterable.
This getter iterates through each element in the iterable and increments
a counter each time it encounters a true value. The final count is
returned.
Returns:
- The number of truevalues in the iterable.
Implementation
int get countTrue => where((bool e) => e).length;