mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 04:02:41 +01:00
33 lines
891 B
C++
33 lines
891 B
C++
//===-- HashExtras.h - Useful functions for STL hash containers --*- C++ -*--=//
|
|
//
|
|
// 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 LLVM_SUPPORT_HASHEXTRAS_H
|
|
#define LLVM_SUPPORT_HASHEXTRAS_H
|
|
|
|
#include <string>
|
|
#include "Support/hash_map"
|
|
|
|
// 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 (size_t)Val; }
|
|
};
|
|
|
|
} // End namespace std
|
|
|
|
#endif
|