https://nalar.dev/tags/hashing/ Recent content in Hashing on Nalar Hugo en-us Thu, 03 Sep 2026 00:00:00 +0700 https://nalar.dev/design-hashable-python-objects-correctly/ Thu, 03 Sep 2026 00:00:00 +0700 https://nalar.dev/design-hashable-python-objects-correctly/ <p>Python dictionaries and sets make lookups feel simple: give them a key or value, and they can usually find it quickly. That convenience depends on a contract that becomes important as soon as you create your own value-like classes.</p> <p>A dictionary key is not located by equality alone. Python first uses the object&rsquo;s <strong>hash value</strong> to narrow the search, then uses equality to distinguish candidates that land in the same area of the hash table.</p>