// function with return type in dart int addTwoNumber() { int num1= 10, num2 = 8; return num1 + num2; } void main() { int result = addTwoNumber(); print('Sum is: $result'); } final int Function() inpFunc; double addTwoNumber(int num1, double num2) { return num1 + num2; } void main() { double result = addTwoNumber(44, 32.45); print('Sum is: $result'); }