How to create separate local package with cabal and create cabal project with many executables wich use this package. Part 1: https://youtu.be/uqXT_DXg32U You can also add source of your package from git: In your cabal.project file add a new section: source-repository-package type: git -- Normally this is a git URL, but a local path works too (but I think it must be absolute?): location: /path/to/your/local/bson-docmap -- Replace this with the commit you want to check out: tag: e1a47b8802d12cd221eead508c5b4d9ccd65feb4 https://www.haskell.org/ghcup/ https://www.haskell.org/cabal/ https://cabal.readthedocs.io/en/stable/ You can also can quick start with stack (stack is GHC version + set of compartable packages) - https://www.youtube.com/watch?v=BkPVjvTEeK4&t=1s Don't forget to buy some crypto :) https://www.binance.com/ru/register?ref=12580828 https://www.okex.com/join/6758541 https://www.gate.io/ref/680337 https://www.kucoin.com/ucenter/signup?rcode=7P7fay https://www.bitfinex.com/?refcode=8lRfGpZhk ... https://www.youtube.com/watch?v=pDF__njZ4Cg

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