Add lite command to unload macros

wrap.fnl

@@ -7,22 +7,31 @@
 (local keymap (require :core.keymap))
 (local translate (require :core.doc.translate))
 
+(fn get-modname []
+  (-> core.active_view.doc.filename
+      (: :gsub "%.%a+$" "")
+      (: :gsub "/" ".")
+      (: :gsub "^data%." "")
+      (: :gsub "%.init$" "")))
+
 (command.add "core.docview" {
   "fennel:eval" #(editor.inline-eval #(fv (fennel.eval $1 {:env _G :compiler-env _G}) {}))
   "lume:hotswap" (fn []
-    (local modname
-      (-> core.active_view.doc.filename
-        (: :gsub "%.%a+$" "")
-        (: :gsub "/" ".")
-        (: :gsub "^data%." "")
-        (: :gsub "%.init$" "")))
+    (local modname (get-modname))
     (core.log (.. "Hotswapping " modname))
     (local (mod err) (util.hotswap modname))
     (when (not= err nil) (print err) (error err)))
+  "fennel:unload-macro" (fn []
+    (let [modname (get-modname)]
+      (if (. fennel.macro-loaded modname)
+          (do (core.log (.. "Unloading macro module " modname))
+              (tset fennel.macro-loaded modname nil))
+        (core.log (.. modname " was not a loaded macro module")))))
 })
 (keymap.add {
   "alt+e" "fennel:eval"
   "alt+r" "lume:hotswap"
+  "alt+u" "fennel:unload-macro"
 })
 
 {}