• [X] import rayon
• [X] try a demo https://www.shuttle.dev/blog/2024/04/11/using-rayon-rust the link above has a CSV demo, paste it in and see if it works?
• [X] I’m using a data file from https://data.boston.gov/dataset/311-service-requests I had to dig around to find a file with 313227 lines, even then the par_iter call took less than a second.

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