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Dart 3.x.x

  • Dart 3.x.x

Typedef​

  • Similar a records
    // Dart program to show the usage of typedef

// Defining alias name
typedef GeeksForGeeks(int a, int b);

// Defining Geek1 function
Geek1(int a, int b) {
  print("This is Geek1");
  print("$a and $b are lucky geek numbers !!");
}

// Defining a function with a typedef variable
number(int a, int b, GeeksForGeeks geek) {
  print("Welcome to GeeksForGeeks");
  geek(a, b);
}

// Main Function
void main() {
  // Calling number function
  number(21, 23, Geek1);
}

Extension Type | Dart​