LanguageFeatures/nnbd/const_type_var_elimination_A02_t01.dart

// Copyright (c) 2020, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

/// @assertion Note that free type variables which are explicitly used as type
/// arguments in const generic instances are still considered erroneous.
///
///   class G<T> {
///    void foo() {
///    const List<T> c = <T>[]; // Error
///    const List<T> d = [];    // The list literal is inferred as <Never>[]
///    }
///   }
///
/// @description Check that compile error is thrown when free type variable is
/// explicity used in the const generic instance.
/// @author iarkh@unipro.ru

class G1<T> {
  void foo() {
    const List<T> l1 = <T>[];
//                      ^
// [analyzer] unspecified
// [cfe] unspecified

    const List l2 = <T>[];
//                   ^
// [analyzer] unspecified
// [cfe] unspecified
  }
}

class G2<T extends int> {
  void foo() {
    const List<T> l1 = <T>[];
//                     ^
// [analyzer] unspecified
// [cfe] unspecified

    const List l2 = <T>[];
//                     ^
// [analyzer] unspecified
// [cfe] unspecified
  }
}

main() {
  G1().foo();
  G2().foo();
}