emacs support for new languages + dependencies

modules/dev/cc.nix

@@ -0,0 +1,22 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  options.my.dev.cc.enable = lib.mkEnableOption "enable";
+
+  config = lib.mkIf config.my.dev.cc.enable {
+    users.users.jawz.packages = builtins.attrValues {
+      inherit (pkgs)
+        clang # C/C++ compiler frontend (part of LLVM)
+        clang-tools # Extra LLVM tools (e.g. clang-tidy, clang-apply-replacements)
+        gcc # GNU Compiler Collection (C, C++, etc.)
+        gdb # GNU Debugger
+        valgrind # Memory leak detector and performance profiler
+        ;
+    };
+  };
+}

modules/dev/haskell.nix

@@ -9,8 +9,12 @@
   config = lib.mkIf config.my.dev.haskell.enable {
     users.users.jawz.packages = builtins.attrValues {
       inherit (pkgs)
-        ghc # compiler
-        haskell-language-server # lsp
+        haskell-language-server # LSP server for Haskell
+        cabal-install # Standard Haskell build tool
+        hlint # Linter for Haskell source code
+        ;
+      inherit (pkgs.haskellPackages)
+        hoogle # Haskell API search engine
         ;
     };
     environment.variables = {

modules/dev/julia.nix

@@ -0,0 +1,15 @@
+{
+  lib,
+  pkgs,
+  config,
+  ...
+}:
+{
+  options.my.dev.julia.enable = lib.mkEnableOption "enable";
+
+  config = lib.mkIf config.my.dev.julia.enable {
+    users.users.jawz.packages = builtins.attrValues {
+      inherit (pkgs) julia;
+    };
+  };
+}

modules/dev/python.nix

@@ -27,6 +27,7 @@
               isort # sort Python imports
               pyflakes # checks source code for errors
               pylint # bug and style checker for python
+              pytest # tests
               speedtest-cli # check internet speed from the comand line
               ;
           }

modules/dev/rust.nix

@@ -0,0 +1,19 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+{
+  options.my.dev.rust.enable = lib.mkEnableOption "enable";
+  config = lib.mkIf config.my.dev.rust.enable {
+    users.users.jawz.packages = builtins.attrValues {
+      inherit (pkgs)
+        cargo # Rust package manager
+        rust-analyzer # Language server for Rust
+        clippy # Linter for Rust
+        rustfmt # Formatter for Rust code
+        ;
+    };
+  };
+}