198760c18f85bafd98dde7a309e1b0e677abd47d8Marshall Clow//===----------------------------------------------------------------------===// 298760c18f85bafd98dde7a309e1b0e677abd47d8Marshall Clow// 398760c18f85bafd98dde7a309e1b0e677abd47d8Marshall Clow// The LLVM Compiler Infrastructure 498760c18f85bafd98dde7a309e1b0e677abd47d8Marshall Clow// 598760c18f85bafd98dde7a309e1b0e677abd47d8Marshall Clow// This file is dual licensed under the MIT and the University of Illinois Open 698760c18f85bafd98dde7a309e1b0e677abd47d8Marshall Clow// Source Licenses. See LICENSE.TXT for details. 798760c18f85bafd98dde7a309e1b0e677abd47d8Marshall Clow// 898760c18f85bafd98dde7a309e1b0e677abd47d8Marshall Clow//===----------------------------------------------------------------------===// 998760c18f85bafd98dde7a309e1b0e677abd47d8Marshall Clow 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#ifndef TEST_HASH_H 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#define TEST_HASH_H 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cstddef> 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <type_traits> 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnanttemplate <class C> 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantclass test_hash 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant : private C 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant int data_; 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantpublic: 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant explicit test_hash(int data = 0) : data_(data) {} 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 24bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::size_t 25bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant operator()(typename std::add_lvalue_reference<const typename C::argument_type>::type x) const 26bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant {return C::operator()(x);} 27bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 28bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant bool operator==(const test_hash& c) const 29bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant {return data_ == c.data_;} 30bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant}; 31bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 326046aced820aaab4f14f2026531dd11d10690691Howard Hinnant#endif // TEST_HASH_H 33