Haskell Options

MTL-style monad transformer effects for structuring Haskell application layers with ReaderT, StateT, and WriterT

Haskell error handling with ExceptT, MonadError, and typed exception patterns

Yesod web framework patterns for type-safe routing, templates, and database integration in Haskell

Servant type-level web API patterns for building type-safe HTTP services with compile-time route validation in Haskell

Scotty lightweight web framework patterns for simple Haskell HTTP services built on WAI/Warp

Aeson JSON library patterns for type-safe JSON encoding and decoding in Haskell

Lens optics library patterns for composable, type-safe data access and transformation in Haskell

Fourmolu for deterministic Haskell formatting and HLint for style and correctness linting

Haskell performance patterns for avoiding space leaks, forcing evaluation, and profiling with GHC tools

Haskell security practices for input validation, safe serialisation, and avoiding unsafe extensions

Core Haskell coding conventions for idiomatic, type-safe purely functional code

Haskell testing conventions with HSpec, QuickCheck, and property-based testing