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@ -23,8 +23,8 @@
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- [[#cabal-files][Cabal files]]
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- [[#faq][FAQ]]
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- [[#repl-doesnt-work][REPL doesn't work]]
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- [[#i-am-using-stack-and-ghc-mod-but-ghc-mod-doesnt-work][I am using =stack= and =ghc-mod=, but =ghc-mod= doesn't work]]
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- [[#repl-is-stuck][REPL is stuck]]
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- [[#i-am-using-stack-and-ghc-mod-but-ghc-mod-doesnt-work][I am using =stack= and =ghc-mod=, but =ghc-mod= doesn't work]]
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* Description
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This layer adds support for the [[https://www.haskell.org/][Haskell]] language.
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@ -308,11 +308,34 @@ Available options are:
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- cabal-ghci
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- stack-ghci
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** REPL is stuck
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Make sure that when you are typing anything in REPL there is a space between
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what you type and =λ>=. When there is no space - REPL will behave as it's stuck.
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Usually, when you enter normal state, cursor is moved back, so there is no
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required space when you switch to insert mode. There is possible workaround -
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just add following snippet to your =dotspacemacs/user-config= function:
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#+BEGIN_SRC emacs-lisp
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(when (configuration-layer/layer-usedp 'haskell)
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(add-hook 'haskell-interactive-mode-hook
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(lambda ()
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(setq-local evil-move-cursor-back nil))))
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#+END_SRC
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It will make cursor stay at the right place in the REPL buffer when you enter
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normal state. Which in most cases helps you to avoid the problem with 'stuck'
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REPL.
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Also, some users might want to start REPL in insert mode. For this to happen you
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could place following snippet in your =dotspacemacs/user-config= function:
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#+BEGIN_SRC emacs-lisp
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(when (configuration-layer/layer-usedp 'haskell)
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(defadvice haskell-interactive-switch (after spacemacs/haskell-interactive-switch-advice activate)
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(when (eq dotspacemacs-editing-style 'vim)
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(call-interactively 'evil-insert))))
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#+END_SRC
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** I am using =stack= and =ghc-mod=, but =ghc-mod= doesn't work
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Make sure that =dist= directory doesn't exist in your project root. So if it
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exists, just remove it and try again.
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** REPL is stuck
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Make sure that when you are typing anything in REPL there is a space between
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what you type and =λ>=. This problem usually happens when you switch from normal
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mode to insert mode.
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