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Juri Pakaste Jul 10, 2023

I ran into DateFormatter/ISO8601DateFormatter speed issues again, and wrote a faster timestamp parser in Swift: https://github.com/juri/Parse3339

GitHub - juri/Parse3339: A fast pure Swift RFC 3339 timestamp parser

A fast pure Swift RFC 3339 timestamp parser. Contribute to juri/Parse3339 development by creating an account on GitHub.

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Point-Free

@juri Very fun! Since you mentioned liking parser combinators in your post, we thought it'd be fun to share how our Parsing library performed alongside yours: https://github.com/pointfreeco/swift-parsing/pull/305

It's nice to see how well combinators performed, though your library does win the photo finish 😉, and of course your goal of having a drop-in file with no other dependencies is far different from bringing in a whole parsing library.

Improve `Date` parser demo by stephencelis · Pull Request #305 · pointfreeco/swift-parsing

Incorporates a helper from @juri's parser to improve things in our demo a bit. Benchmarked against Parse3339 here and it's nice to see how well the relatively naive combinators performed by compari...

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Juri Pakaste Jul 25, 2023

@pointfreeco Oh cool, I love using your Parsing stuff! And I had completely forgotten you had that timestamp parser there already. If the project already included your library I would have definitely used it for this too.