[Dart 기본기] 함수

 

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Typedef 함수 정의

void main() {
  
  Operation operation = add;
  int result = operation (10,20,30);
  print(result);
     
  int result2 = calculate(10,20,30,add) ;
  print(result2);
  
  int result3 = calculate(10,20,30,subtract);
  print(result3);
 
}
typedef Operation = int Function (int x, int y, int z);
int add(int x, int y, int z) => x+ y+ z;
int subtract(int x, int y , int z) => x - y - z;
int calculate(int x, int y, int z, Operation operation){
  return operation(x,y,z);
}