const memory optimization in Dart

const_vs_final.dart

void main() {
  final obj1 = MyComplexObject(1, 2.0);
  final obj2 = MyComplexObject(1, 2.0);
  assert(!identical(obj1, obj2)); // obj1 and obj2 are not the same object
  
  const cobj1 = MyComplexObject(1, 2.0);
  const cobj2 = MyComplexObject(1, 2.0);
  assert(identical(cobj1, cobj2)); // cobj1 and cobj2 are the same object
  assert(!identical(cobj1, obj1)); // cobj1 and obj1 are not the same object
}


class MyComplexObject {
  const MyComplexObject(this.a, this.b);
  
  final int a;
  final double b;
}