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danalovesc
danalovesc
Last Activity: Sep 19 '10, 04:27 PM
Joined: Sep 3 '10
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  • danalovesc
    started a topic c++: How to transform a map iterator which point to pair into a “regular” pair pointe
    in C

    c++: How to transform a map iterator which point to pair into a “regular” pair pointe

    those are the maps:

    Code:
     multimap<SortKey,T> firstMap;
    multimap<SearchKey,pair<SortKey,T>*> secondMap;


    template <class T,class SortKey, class SearchKey> bool GarageDataBase<T,SortKey,SearchKey>::Add(T data,SortKey key1, SearchKey key2) 
    {
     multimap<SortKey,T>::iterator it;
     it=(firstMap.insert(pair<SortKey,T>(key1,data)));
    ...
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    • danalovesc
      started a topic Strange Behevior when trying to create a Template containing maps
      in C

      Strange Behevior when trying to create a Template containing maps

      Hi all, i'm new to Templates and when i tried to implement templates methods which needs to use a map (which is a member in private), the map can only do 3 things: insert, swap, and operator =. and i don't get the full functionality of map..

      Here's the code:

      Code:
      #ifndef __GARAGE_H_
#define __GARAGE_H_
#include <map>
using namespace std;
template <class T,class SortKey,
      ...
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      • danalovesc
        replied to Sorting STL list by custom comperator
        in C
        thnx alot, this works!
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        • danalovesc
          replied to Sorting STL list by custom comperator
          in C
          well if only i knew where do i even modify a const here..

          anyway i think i'll just go with definind < operator

          thank you all!!

          if someone can still point what the problem is i'll be happy to hear!:)
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          • danalovesc
            replied to Sorting STL list by custom comperator
            in C
            this is how it is written in the h file:
            static bool EmployeeComp (Employee *e1,Employee* e2) const;

            still gives the same error when i did:

            m_cityHallWorke rs->sort(CityHall: :EmployeeComp);

            Error 1 error C2272: 'EmployeeComp' : modifiers not allowed on static member functions
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            • danalovesc
              replied to Sorting STL list by custom comperator
              in C
              and then i get:


              Error 1 error C2272: 'EmployeeComp' : modifiers not allowed on static member functions

              same code as before, just added static at the h file
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              • danalovesc
                replied to Sorting STL list by custom comperator
                in C
                @ Banfa --> how do i turn it into static, should i just add
                "static" before the func decleration at cityhall.h?
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                • danalovesc
                  replied to Sorting STL list by custom comperator
                  in C
                  hype261 --> I will try defining < for my class, i was just wondering why doesn't it work, and what should be the syntax for it to work

                  newb16-->
                  when u do that u get:


                  Error 2 error C2064: term does not evaluate to a function taking 2 arguments

                  and it jumps a file called "xutility" where it show the error in it
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                  • danalovesc
                    started a topic Sorting STL list by custom comperator
                    in C

                    Sorting STL list by custom comperator

                    Hey guys, i looked at some sorting examples, and i thought i jsut had to build a comperator which returns bool, in order to keep my list sorted by that value.

                    here's the relevent code:

                    Code:
                    bool CityHall::EmployeeComp (Employee *e1,Employee *e2) const
{
if (e1->GetID()<e2->GetID())
	return true;
return false;
}

char** CityHall::PrintAllWorkersByLastName() const
{
                    ...
                    See more | Go to post
                    Last edited by Banfa; Sep 3 '10, 01:06 PM. Reason: Added code tags
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