1 files changed, 4 insertions, 32 deletions
diff --git a/klm/util/string_piece.hh b/klm/util/string_piece.hh
index be6a643d..9cf4c7f6 100644
--- a/klm/util/string_piece.hh
+++ b/klm/util/string_piece.hh
@@ -1,6 +1,6 @@
 /* If you use ICU in your program, then compile with -DHAVE_ICU -licui18n.  If
  * you don't use ICU, then this will use the Google implementation from Chrome.
- * This has been modified from the original version to let you choose.  
+ * This has been modified from the original version to let you choose.
  */
 
 // Copyright 2008, Google Inc.
@@ -50,10 +50,6 @@
 
 #include "util/have.hh"
 
-#ifdef HAVE_BOOST
-#include <boost/functional/hash/hash.hpp>
-#endif // HAVE_BOOST
-
 #include <cstring>
 #include <iosfwd>
 #include <ostream>
@@ -62,9 +58,9 @@
 #include <unicode/stringpiece.h>
 #include <unicode/uversion.h>
 
-// Old versions of ICU don't define operator== and operator!=.  
+// Old versions of ICU don't define operator== and operator!=.
 #if (U_ICU_VERSION_MAJOR_NUM < 4) || ((U_ICU_VERSION_MAJOR_NUM == 4) && (U_ICU_VERSION_MINOR_NUM < 4))
-#warning You are using an old version of ICU.  Consider upgrading to ICU >= 4.6.  
+#warning You are using an old version of ICU.  Consider upgrading to ICU >= 4.6.
 inline bool operator==(const StringPiece& x, const StringPiece& y) {
   if (x.size() != y.size())
     return false;
@@ -256,33 +252,9 @@ inline std::ostream& operator<<(std::ostream& o, const StringPiece& piece) {
   return o.write(piece.data(), static_cast<std::streamsize>(piece.size()));
 }
 
-#ifdef HAVE_BOOST
-inline size_t hash_value(const StringPiece &str) {
-  return boost::hash_range(str.data(), str.data() + str.length());
-}
-
-/* Support for lookup of StringPiece in boost::unordered_map<std::string> */
-struct StringPieceCompatibleHash : public std::unary_function<const StringPiece &, size_t> {
-  size_t operator()(const StringPiece &str) const {
-    return hash_value(str);
-  }
-};
-
-struct StringPieceCompatibleEquals : public std::binary_function<const StringPiece &, const std::string &, bool> {
-  bool operator()(const StringPiece &first, const StringPiece &second) const {
-    return first == second;
-  }
-};
-template <class T> typename T::const_iterator FindStringPiece(const T &t, const StringPiece &key) {
-  return t.find(key, StringPieceCompatibleHash(), StringPieceCompatibleEquals());
-}
-template <class T> typename T::iterator FindStringPiece(T &t, const StringPiece &key) {
-  return t.find(key, StringPieceCompatibleHash(), StringPieceCompatibleEquals());
-}
-#endif
-
 #ifdef HAVE_ICU
 U_NAMESPACE_END
+using U_NAMESPACE_QUALIFIER StringPiece;
 #endif
 
 #endif  // BASE_STRING_PIECE_H__