added bool type to named args in lib/io and lib/_internal

sdk/lib/io/directory.dart

 // Copyright (c) 2012, 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.
 
 part of dart.io;
 
 /**
  * A reference to a directory (or _folder_) on the file system.
  */
 abstract class Directory implements FileSystemEntity {
@@ skipping 36 matching lines @@
    * Creates the directory with this name.
    *
    * If [recursive] is false, only the last directory in the path is
    * created. If [recursive] is true, all non-existing path components
    * are created. If the directory already exists nothing is done.
    *
    * Returns a [:Future<Directory>:] that completes with this
    * directory once it has been created. If the directory cannot be
    * created the future completes with an exception.
    */
-  Future<Directory> create({recursive: false});
+  Future<Directory> create({bool recursive: false});
 
   /**
    * Synchronously creates the directory with this name.
    *
    * If [recursive] is false, only the last directory in the path is
    * created. If [recursive] is true, all non-existing path components
    * are created. If the directory already exists nothing is done.
    *
    * If the directory cannot be created an exception is thrown.
    */
-  void createSync({recursive: false});
+  void createSync({bool recursive: false});
 
   /**
    * Creates a temporary directory with a name based on the current
    * path.  The path is used as a template, and additional
    * characters are appended to it to make a unique temporary
    * directory name.  If the path is the empty string, a default
    * system temp directory and name are used for the template.
    *
    * Returns a [:Future<Directory>:] that completes with the newly
    * created temporary directory.
@@ skipping 120 matching lines @@
       if (path != null) {
         sb.write(", path = $path");
       }
     }
     return sb.toString();
   }
   final String message;
   final String path;
   final OSError osError;
 }