# haskell ## Options ### languages.haskell.enable Whether to enable tools for Haskell development. *Type:* boolean *Default:* ```nix false ``` *Example:* ```nix true ``` *Declared by:* * ### languages.haskell.package Haskell compiler to use. *Type:* package *Default:* ```nix pkgs.ghc ``` *Declared by:* * ### languages.haskell.cabal.enable Whether to enable Cabal. *Type:* boolean *Default:* ```nix true ``` *Example:* ```nix true ``` *Declared by:* * ### languages.haskell.cabal.package Cabal package to use. *Type:* package *Default:* ```nix pkgs.cabal-install ``` *Declared by:* * ### languages.haskell.lsp.enable Whether to enable Haskell Language Server. *Type:* boolean *Default:* ```nix true ``` *Example:* ```nix true ``` *Declared by:* * ### languages.haskell.lsp.package The Haskell language server package to use. *Type:* package *Default:* ```nix pkgs.haskell-language-server ``` *Declared by:* * ### languages.haskell.stack.enable Whether to enable Stack. *Type:* boolean *Default:* ```nix true ``` *Example:* ```nix true ``` *Declared by:* * ### languages.haskell.stack.package Haskell stack package to use. *Type:* package *Default:* ```nix pkgs.stack ``` *Declared by:* * ### languages.haskell.stack.args Additional arguments to pass to stack. By default, stack is configured to use devenv’s GHC installation. *Type:* list of string *Default:* ```nix [ "--no-nix" "--system-ghc" "--no-install-ghc" ] ``` *Declared by:* *