How is C++ Map implemented?

Debby Nirwan
6 min readJun 24, 2023

Understand the underlying data structure of the map and compare it to a hash table.

Photo by Fotis Fotopoulos on Unsplash

Overview

In a previous post, I explained how hash table — std::unordered_map is implemented in C++. I also posted a follow-up article explaining how to measure element insertion, retrieval, and deletion performance to demonstrate and understand hash table behavior.

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Debby Nirwan

Software Engineering Manager who loves reading, writing, and coding.