In this video I demonstrate the use of command-line tools to interactively explore Haskell source code. The tools provide a fluid development experience but can be tricky to configure. This talk covers their use, configuration, and integration with an editor.

Haskell Source Navigation

Summary

Types provide more than just safety

Haskell has enough structure to support sophisticated tools Jump to symbol definitions Find all uses of functions Get (good) linting suggestions Interactive error checking Finding docs by type or name Autocompletion from dependencies Code formatting

Getting into the tools themselves, below the editor layer hasktags codex hscope hoogle hoobuddy Alfred shortcuts ghc-mod hlint stylish-haskell hindent

Putting them together into a vim config

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