//100, 85, 97, 61, 55, 89
public static IEnumerable <int> CheckGrades(List <int> grades, IntToBoolFunction gradesToCheck)
{
foreach (int grade in grades)
{
if (gradesToCheck(grade)) //gradesToCheck = GreaterThanSeventy(grade)
{
yield return(grade);
}
}
}
//"the", "bike", "this", "it", "tenth","mathematics"
public static IEnumerable <string> HasTwoLetters(List <string> names, IntToBoolFunction wordsToCheck)
{
foreach (string word in names)
{
if (wordsToCheck(word))
{
yield return(word);
}
}
}