// Copyright (c) 2011, 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 Names may be introduced into a scope by  declarations within the
/// scope or by other mechanisms such as imports or inheritance.
/// @description Checks that names may be introduced into a scope by 
/// declaration within the scope.
/// @author msyabro


class C {
  var classScope;
  method() {
    classScope = 1;
  }
}

func() {
  var functionScope;
  functionScope = 1;
  libraryScope = 1;
}

var libraryScope;

main() {
  {
    var statementScope;
    statementScope = 1;
  }
  func();
  new C().method();
}
