|almost 5 years ago||4 months ago|
|BSD 3-clause "New" or "Revised" License||BSD 3-clause "New" or "Revised" License|
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We haven't tracked posts mentioning data-lens yet.
Tracking mentions began in Dec 2020.
Yatima: A programming language for the decentralized web
16 projects | news.ycombinator.com | 7 Jun 2021
Sure, if you consider Haskell's runtime (I know that technically GHC /= Haskell, but in practice it's the only Haskell that matters, except maybe something like Asterius) all the primitives are backed by C libraries: https://hackage.haskell.org/package/ghc-prim-0.4.0.0/docs/GH...
Likewise with conventions around pointers, arrays, etc. to the point where if you want to do anything really low-level or performance sensitive in Haskell, you're essentially punching a hole into C. As a random example, within the fast base64bytestring library, you find lots of use of `malloc`, `ForeignPtr` etc.: https://github.com/haskell/base64-bytestring/blob/master/Dat... And of course because this is C there aren't really many safety guarantees here.
The plan with Yatima with its primitives, and eventually when we write an FFI is to integrate with Rust in the same way that Haskell uses C. My hope is that with Yatima's affine types we might even be able to FFI to and from safe Rust (since the borrow checker uses affine types), but this is a little bit of a research project to see how much that works. Even to unsafe Rust though, we have better safety guarantees than C, since unsafe Rust's UB is still more restricted than C's is.
What are some alternatives?
microlens - A lightweight (but compatible with ‘lens’) lenses library
filesystem-trees - Traverse and manipulate directories as lazy rose trees
asn1-encoding - ASN1 Raw/BER/DER/CER reader/writer in haskell
attoparsec-iteratee - An adapter to convert attoparsec Parsers into blazing-fast Iteratees
union - Extensible type-safe unions for Haskell
unamb-custom - Functional concurrency with unambiguous choice, using a custom scheduler.
msgpack - Haskell implementation of MessagePack / msgpack.org[Haskell]
buffer-builder - Haskell library for efficiently building up buffers
bimap - Bidirectional mapping between two key types
fclabels - First class composable record labels for Haskell.
monoid-extras - Miscellaneous constructions on monoids