turn-on-haskell-indent doesn't work

[turboMaCk]

I prefer behaviour of haskell-indent-mode since I like to use it to repate function name between type anotation and implementation.

Following manual for haskell-mode https://haskell.github.io/haskell-mode/manual/latest/Indentation.html

I tried to add:

(add-hook 'haskell-mode-hook 'turn-on-haskell-indent)

into configuration but it doesn't seem to have an effect.

When I open a .hs file, haskell-mode is enabled but I still see haskell-indentiation-mode is used and I need to manually start haskell-indent-mode.

I did not (yet) find any way how to realiably add haskell-indent-mode onto haskelll-mode-hook yet so I have no workaround.

[Hi-Angel]

I didn't study it, but from a cursory look I don't see enabling inden-mode inside the "turn-on" function, so maybe that's the bug. If you feel motivated, you might test that to make sure and send a PR.