MQL5. Generic Data Collection. CHashMap. 딕셔너리

 

 

/////////////// example 1. dictionary

 CHashMap<string, int> d;
   
   d.Add("one", 1);
   d.Add("two", 2);
   d.Add("three", 3);
   
   string keys[];
   int values[];
   d.CopyTo(keys, values);
   for (int i=0; i<d.Count(); i++)
      Print(keys[i], " ", values[i]);
   
/////////////// example 2. dictionary 

#include <generic/hashmap.mqh>
#include <generic/arraylist.mqh>

void OnStart()
{
   CHashMap<string, CArrayList<bool>*> dict;
   bool flags[] = {false, false, true, true};
   CArrayList<bool> array_flags(flags);
   dict.Add("flags", &array_flags);
   
   CArrayList<bool> *temp;
   if(dict.TryGetValue("flags", temp)) {
      for(int i=0; i<temp.Count(); i++) {
         bool flag;
         if(temp.TryGetValue(i, flag)) {
            Print(flag);
         }
      }
   }   
}

from : https://www.mql5.com/en/forum/304390 ,  https://www.mql5.com/en/forum/294861

 

 

 

 

상세. 

MQL5. Generic Data Collection 전체. 

https://www.mql5.com/en/docs/standardlibrary/generic

Documentation on MQL5: Standard Library / Generic Data Collections

 

CHashMap 

https://www.mql5.com/en/docs/standardlibrary/generic/chashmap

Documentation on MQL5: Standard Library / Generic Data Collections / CHashMap<tkey,tvalue></tkey,tvalue>

 

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첫등록 : 2019년 5월 18일

최종수정 : 

 

본 글 단축주소 : https://igotit.tistory.com/2176

 

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