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Performance on MimeType > Extension #12

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Performance on MimeType > Extension#12
@TonyValenti

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@TonyValenti
TonyValenti
opened on Sep 4, 2025

Hi @hey-red -
We have started using MimeTypesMap and have found Extension->MimeType is O(1) but MimeType->Extension is O(N). This is hurting us in high performance code.

Are you open to a PR that generates dictionaries for both?

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