storage/index/utils/pair.h
| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #pragma once | ||
| 2 | |||
| 3 | #include <cstdint> | ||
| 4 | #include <cstdlib> | ||
| 5 | |||
| 6 | typedef uint64_t Key_t; | ||
| 7 | typedef uint64_t Value_t; | ||
| 8 | |||
| 9 | const Key_t SENTINEL = -2; // 11111...110 | ||
| 10 | const Key_t INVALID = -1; // 11111...111 | ||
| 11 | |||
| 12 | const Value_t NONE = 0; | ||
| 13 | |||
| 14 | struct Pair { | ||
| 15 | Key_t key; | ||
| 16 | Value_t value; | ||
| 17 | |||
| 18 | 159360 | Pair(void) : key{INVALID} {} | |
| 19 | |||
| 20 | Pair(Key_t _key, Value_t _value) : key{_key}, value{_value} {} | ||
| 21 | |||
| 22 | Pair& operator=(const Pair& other) { | ||
| 23 | key = other.key; | ||
| 24 | value = other.value; | ||
| 25 | return *this; | ||
| 26 | } | ||
| 27 | |||
| 28 | void* operator new(size_t size) { | ||
| 29 | void* ret; | ||
| 30 | posix_memalign(&ret, 64, size); | ||
| 31 | return ret; | ||
| 32 | } | ||
| 33 | |||
| 34 | void* operator new[](size_t size) { | ||
| 35 | void* ret; | ||
| 36 | posix_memalign(&ret, 64, size); | ||
| 37 | return ret; | ||
| 38 | } | ||
| 39 | }; | ||
| 40 |