FastCollections-FastHashMap/Src/ColHash/HashMap/Ref.mqh

//+------------------------------------------------------------------+
//|                                                          Ref.mqh |
//|                                  Copyright 2026, Niquel Mendoza. |
//|                                            https://www.mql5.com/ |
//+------------------------------------------------------------------+
#property copyright "Copyright 2026, Niquel Mendoza."
#property link      "https://www.mql5.com/"
#property strict


#ifndef FASTCOLLECTIONSBYLEO_COLHASH_HASHMAP_REF_MQH
#define FASTCOLLECTIONSBYLEO_COLHASH_HASHMAP_REF_MQH


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//|                                                                  |
//+------------------------------------------------------------------+
#include "Main.mqh"

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
#define CHashMapFastR(k, v) TSN::CHashMapFastRef<k, v, TSN::CGenericHash_##k>

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
namespace TSN
{
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
template <typename TKey, typename TValue, typename TBase>
class CHashMapFastRef : public CHashMapFastBase<TKey, TValue, TBase>
 {
public:
                     CHashMapFastRef(int initial_size = 128) : CHashMapFastBase<TKey, TValue, TBase>(initial_size) {}
                    ~CHashMapFastRef(void) {}

  //---
  using              CFastHashTableBase<CHashMapFastInternalPar<TKey, TValue>, TKey, TBase>::Add;

  //---
  __forceinline bool Add(const TKey& key, TValue& v);
  bool               TrySet(const TKey& key, TValue& value);
 };

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//|                                                                  |
//+------------------------------------------------------------------+
template <typename TKey, typename TValue, typename TBase>
bool CHashMapFastRef::TrySet(const TKey& key, TValue& value)
 {
//---
  const int slot = Find(key);
  if(slot == -1)
    return false;
  m_table[slot].value = value;
  return true;
 }

//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
template <typename TKey, typename TValue, typename TBase>
__forceinline bool CHashMapFastRef::Add(const TKey& key, TValue& v)
 {
  if(Add(key))
   {
    m_table[m_last_created_pos].value = v;
    return true;
   }
  return false;
 }
}
//+------------------------------------------------------------------+
#endif // FASTCOLLECTIONSBYLEO_COLHASH_HASHMAP_REF_MQH