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- How to check if key exists in map
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Classroom Contents
Maps in C++ - std-map and std-unordered_map
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- 1 - What are maps?
- 2 - Why use maps + example usage
- 3 - Writing a hash function to use a custom type
- 4 - The [] operator
- 5 - The .at function
- 6 - How to check if key exists in map
- 7 - How to iterate through maps
- 8 - How to remove entries from maps
- 9 - Writing a less-than operator for custom types
- 10 - Performance and which map to use
