problems with DPL example.

[%u]

Hello.  I'm having problems compiling the following:

// From chapter 1 of D Programming Language.
//
import std.stdio, std.string;

void main() {
  uint[string] dictionary;

  foreach( line; stdin.byLine()) {
    // Break sentence into words
    // Add each word in the sentence to the vocabulary
    foreach( word; splitter(strip(line))) {
      if( word in dictionary) continue; // Nothing to do.
      auto newID = dictionary.length;
      dictionary[word] = newID;
      writeln( newid, '\t', word);
    }
  }
  return;
}



$ dmd wordcount.d
wordcount.d(9): Error: undefined identifier splitter



$ dmd -v
DMD32 D Compiler v2.055
Copyright (c) 1999-2011 by Digital Mars written by Walter Bright
Documentation: http://www.digitalmars.com/d/2.0/index.html


I am doing the examples in cygwin.

Anyone know what the problem is?


thanks.