// 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 It is an error if a class declaration declares an instance
/// variable with a potentially non-nullable type and no initializer expression,
/// and the class has a generative constructor where the variable is not
/// initialized via an initializing formal or an initializer list entry, unless
/// the variable is marked with the late modifier.
///
/// @description Check that it is no compile-time error if an instance variable
/// with a potentially non-nullable type has no initializer expression but
/// initialized in a constructor via an initializing formal or an initializer
/// list entry. Test Function types
/// @author sgrekhov@unipro.ru

// Requirements=nnbd-strong
typedef void Foo();

class A {
  Function f1;
  Foo f2;
  A(Function f1, Foo f2): this.f1 = f1, this.f2 = f2 {}
}

class C {
  Function f1;
  Foo f2;
  C(this.f1, this.f2);
}

void foo() {}
int bar() => 42;

main() {
  new A(bar, foo);
  new C(bar, foo);
}
