Debugging without a “real” debugger (in Haskell and PureScript)

Published: 27 July 2023
on channel: Impure Pics

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If you're wondering how to debug in Haskell without a "real" debugger, this tutorial is for you. Especially if someone convinced you that “Haskell is pure, so you can’t print anything”.

💡 Useful links:
The GHCi Debugger: https://downloads.haskell.org/~ghc/7....

#fp #haskell #purescript

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0:00 Intro
0:42 This program 🐞 you
1:24 print “Hello, world”
3:11 trace “pls hlp”
4:37 [PureScript] spy “dupa”
5:11 Next steps
6:02 Use REPL
6:26 Write tests
6:41 EOF

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