Functions and Records

Functions

Typed Return

A function declares its parameter and return types. return exits with a value.

Program

Play the program to add tax to a subtotal.

functions.dart 
int addTax(int price) {
  return price + price ~/ 10;
}

void main() {
  var subtotal = 25;
  var total = addTax(subtotal);
  print(total);
}
typed signature `int addTax(int price)` declares parameter and return types.
return `return` exits the function with a value.
integer division `price ~/ 10` is integer division for whole-cent rounding.