ligatures and line numbers

homes/aarch64-darwin/marshall@canis/default.nix

@@ -87,6 +87,7 @@
           evil-leader
           flycheck
           flycheck-inline
+          ligature
           lua-mode
           ns-auto-titlebar
           nix-mode
@@ -112,6 +113,10 @@
         ; Set font
         (set-frame-font "Maple Mono NF 16" nil t)
 
+        ; Show line numbers
+        (add-hook 'prog-mode-hook 'display-line-numbers-mode)
+        (setq display-line-numbers-type 'relative)
+
         ; Change default indent size to 2 spaces
         (setq-default indent-tabs-mode nil) ;; Use spaces instead of tabs
         (setq-default standard-indent 2) ;; Change indent
@@ -233,6 +238,26 @@
             (treemacs-select-window)))
 
         (global-set-key (kbd "C-c C-c") 'my/compile-and-focus-treemacs)
+
+        ; Ligatures
+        (setq maple-ligatures
+            '(;; coding ligatures
+              "<!---" "--->" "|||>" "<!--" "<|||" "<==>" "-->" "->>" "-<<" "..=" "!=="
+              "#_(" "/==" "||>" "||=" "|->" "===" "==>" "=>>" "=<<" "=/=" ">->" ">=>"
+              ">>-" ">>=" "<--" "<->" "<-<" "<||" "<|>" "<=" "<==" "<=>" "<=<" "<<-"
+              "<<=" "<~>" "<~~" "~~>" ">&-" "<&-" "&>>" "&>" "->" "-<" "-~" ".=" "!="
+              "#_" "/=" "|=" "|>" "==" "=>" ">-" ">=" "<-" "<|" "<~" "~-" "~@" "~="
+              "~>" "~~"
+
+              ;; whitespace ligatures
+              "---" "..." "{|" "[|" ".?" "::" ":::" "::=" ":="
+              ":>" ":<" "\;\;" "!!" "!!." "!!!"  "?." "?:" "??" "?=" "**" "***" "*>"
+              "*/" "--" "#:" "#!" "#?" "##" "###" "####" "#=" "/*" "/>" "//" "/**"
+              "///" "$(" ">&" "<&" "&&" "|}" "|]" "$>" ".." "++" "+++" "+>" "=:="
+              "=!=" ">:" ">>" ">>>" "<:" "<*" "<*>" "<$" "<$>" "<+" "<+>" "<>" "<<"
+              "<<<" "</" "</>" "^=" "%%"))
+        (ligature-set-ligatures 'prog-mode maple-ligatures)
+        (global-ligature-mode t)
       '';
     };