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map

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Dark Secrets of std::map [ ] operator

Feb 9, 20221 min read

While trying to read the value corresponding to key, If we accidentally pass a key which doesn't exist in the map using [ ] operator, , then the...

Dark Secrets of std::map [ ] operator

Subtle insertion bug with std::map

Feb 17, 20211 min read

If you try to access an element in a std::map using a key that doesn't exist already in the map, it will insert a default-constructed value with that...