fused-effects
hasql-th
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| fused-effects | hasql-th | |
|---|---|---|
| 3 | 2 | |
| 557 | 99 | |
| 1.1% | - | |
| 8.1 | 5.1 | |
| 3 months ago | 29 days ago | |
| Haskell | Haskell | |
| BSD 3-clause "New" or "Revised" License | MIT License |
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fused-effects
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Where's more discussion of the designs of effect systems?
Languages such as Koka only support algebraic effects, not scoping operations such as catch and listen. The Effect Handlers in Scope paper introduces scoping operations, which lead to the Haskell libraries fused-effects and polysemy, but they turned out to have some weird semantics. eff is her effort to fix that.
- Haskell doesn't make sense without pure functions
- Monthly Hask Anything (June 2021)
hasql-th
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Open Source SQL Parsers
There is also a Haskell port of the original PostgreSQL parser, implemented using megaparsec, which makes it highly flexible and hackable: https://github.com/nikita-volkov/hasql-th#implementation
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Haskell doesn't make sense without pure functions
I'd consider hasql-th a good example in what concerns databases. Otherwise, I just use aeson together with deriving-aeson and lens-aeson.
What are some alternatives?
polysemy - :gemini: higher-order, no-boilerplate monads
Neks - A dead simple networked key/value store
hasql - Performant PostgreSQL driver with a flexible mapping API
eff - 🚧 a work in progress effect system for Haskell 🚧
eveff - Efficient Haskell effect handlers based on evidence translation.
tokyocabinet-haskell - This repository will get archived soon. Please visit https://git.singpolyma.net/tokyocabinet-haskell
wai-middleware-cache-redis - Redis backend for wai-middleware-cache
freer-simple - A friendly effect system for Haskell
machines - Networks of composable stream transducers
fused-effects-exceptions - Handle exceptions thrown in IO with fused-effects.
postgresql-simple-named - :question: Implementation of named parameters for `postgresql-simple` library
hasql-dynamic-statements - Dynamic statements for Hasql