[Extension()] public static AnnualInterest Sum<T>( IEnumerable<T> seq, Func<T,AnnualInterest> projecter )
Parameters
- seq
 - This sequence that contains objects that are projected to AnnualInterest values to sum, through the function projecter
 - projecter
 - The function that projects T objects to AnnualInterest values
 
Type Parameters
- T
 - The generic type of elements of seq
 
