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Diffstat (limited to 'include/Support/HashExtras.h')
| -rw-r--r-- | include/Support/HashExtras.h | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/include/Support/HashExtras.h b/include/Support/HashExtras.h deleted file mode 100644 index 67f65b5f3a..0000000000 --- a/include/Support/HashExtras.h +++ /dev/null @@ -1,41 +0,0 @@ -//===-- HashExtras.h - Useful functions for STL hash containers -*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file was developed by the LLVM research group and is distributed under -// the University of Illinois Open Source License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file contains some templates that are useful if you are working with the -// STL Hashed containers. -// -// No library is required when using these functinons. -// -//===----------------------------------------------------------------------===// - -#ifndef SUPPORT_HASHEXTRAS_H -#define SUPPORT_HASHEXTRAS_H - -#include "Support/hash_map" -#include <string> - -// Cannot specialize hash template from outside of the std namespace. -namespace HASH_NAMESPACE { - -template <> struct hash<std::string> { - size_t operator()(std::string const &str) const { - return hash<char const *>()(str.c_str()); - } -}; - -// Provide a hash function for arbitrary pointers... -template <class T> struct hash<T *> { - inline size_t operator()(const T *Val) const { - return reinterpret_cast<size_t>(Val); - } -}; - -} // End namespace std - -#endif |