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avoid-unnecessary-type-casts

added in: 1.6.0
warning
preset: recommended

Warns about of unnecessary use of casting operators.

Example​

class Example {
  final myList = <int>[1, 2, 3];

  void main() {
    final result = myList as List<int>; // LINT
  }
}

class Animal {}

class HomeAnimal extends Animal {}

void patterns() {
  final animal = Animal();

  if (animal case Animal() as HomeAnimal) {}
  if (animal case Animal() as Animal) {} // LINT
}