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- Updating a Map
Updating a Map
Aug 30, 2008 at 3:26pm
Hi,
I have a map data structure defined as
std::map<<pair<int, int>, vector<aStruct> >
where aStruct is a structure. I don't want to use pointers in the map at the moment to keep things simple, well i'm newbie ;)
first, i read some data from a data file and update the fields in the structure and put them in the sturcture. I have two structures per key, so I use a vector to hold the two structs per key.
After I read all my datain, I want to update a member in the struct. What is the best way to do it. I thought about erasing the element in the map, and reinserting a vector<aStruct> with the updated fields, but I'm thinking there should be a better way.
I appreciate any help. Thank you very much.
Mike
I have a map data structure defined as
std::map<<pair<int, int>, vector<aStruct> >
where aStruct is a structure. I don't want to use pointers in the map at the moment to keep things simple, well i'm newbie ;)
first, i read some data from a data file and update the fields in the structure and put them in the sturcture. I have two structures per key, so I use a vector to hold the two structs per key.
After I read all my datain, I want to update a member in the struct. What is the best way to do it. I thought about erasing the element in the map, and reinserting a vector<aStruct> with the updated fields, but I'm thinking there should be a better way.
I appreciate any help. Thank you very much.
Mike
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