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93 lines
2.2 KiB
C++
93 lines
2.2 KiB
C++
#ifndef PAIR_H
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#define PAIR_H
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/*************************************************************************/
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/* pair.h */
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/* From https://github.com/Relintai/pandemonium_engine (MIT) */
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/*************************************************************************/
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//--STRIP
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#include "core/hashfuncs.h"
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#include "core/typedefs.h"
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//--STRIP
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template <class F, class S>
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struct Pair {
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F first;
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S second;
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Pair() :
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first(),
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second() {
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}
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Pair(F p_first, const S &p_second) :
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first(p_first),
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second(p_second) {
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}
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};
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template <class F, class S>
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bool operator==(const Pair<F, S> &pair, const Pair<F, S> &other) {
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return (pair.first == other.first) && (pair.second == other.second);
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}
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template <class F, class S>
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bool operator!=(const Pair<F, S> &pair, const Pair<F, S> &other) {
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return (pair.first != other.first) || (pair.second != other.second);
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}
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template <class F, class S>
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struct PairSort {
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bool operator()(const Pair<F, S> &A, const Pair<F, S> &B) const {
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if (A.first != B.first) {
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return A.first < B.first;
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}
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return A.second < B.second;
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}
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};
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template <class F, class S>
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struct PairHash {
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static uint32_t hash(const Pair<F, S> &P) {
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uint64_t h1 = HashMapHasherDefault::hash(P.first);
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uint64_t h2 = HashMapHasherDefault::hash(P.second);
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return hash_one_uint64((h1 << 32) | h2);
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}
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};
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template <class K, class V>
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struct KeyValue {
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const K key;
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V value;
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void operator=(const KeyValue &p_kv) = delete;
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_FORCE_INLINE_ KeyValue(const KeyValue &p_kv) :
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key(p_kv.key),
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value(p_kv.value) {
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}
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_FORCE_INLINE_ KeyValue(const K &p_key, const V &p_value) :
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key(p_key),
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value(p_value) {
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}
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};
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template <class K, class V>
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bool operator==(const KeyValue<K, V> &pair, const KeyValue<K, V> &other) {
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return (pair.key == other.key) && (pair.value == other.value);
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}
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template <class K, class V>
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bool operator!=(const KeyValue<K, V> &pair, const KeyValue<K, V> &other) {
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return (pair.key != other.key) || (pair.value != other.value);
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}
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template <class K, class V>
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struct KeyValueSort {
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bool operator()(const KeyValue<K, V> &A, const KeyValue<K, V> &B) const {
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return A.key < B.key;
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}
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};
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#endif // PAIR_H
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