pkg/front_end/testcases/inference/generic_methods_uses_greatest_lower_bound.dart

// Copyright (c) 2017, 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.
// @dart=2.9
/*@testedFeatures=inference*/
library test;

typedef Iterable<num> F(int x);
typedef List<int> G(double x);

T generic<T>(a(T _), b(T _)) => null;

main() {
  var /*@ type=(num*) ->* List<int*>* */ v = /*@ typeArgs=(num*) ->* List<int*>* */ generic(
      /*@ returnType=Null */ (F f) => null,
      /*@ returnType=Null */ (G g) => null);
}