// 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.

/*Debugger:stepOver*/

main() {
  var qux;
  qux = "${/*bc:1*/ foo()} x ${/*bc:2*/ bar()} x ${/*bc:3*/ baz()}";
  print(qux);
}

String foo() => "a";
String bar() => "b";
String baz() => "c";
