more cleanup

lua/u/buffer.lua

@@ -5,17 +5,14 @@ local Renderer = require('u.renderer').Renderer
 --- @field bufnr number
 --- @field private renderer u.Renderer
 local Buffer = {}
+Buffer.__index = Buffer
 
 --- @param bufnr? number
 --- @return u.Buffer
 function Buffer.from_nr(bufnr)
   if bufnr == nil or bufnr == 0 then bufnr = vim.api.nvim_get_current_buf() end
-
   local renderer = Renderer.new(bufnr)
-  return setmetatable({
-    bufnr = bufnr,
-    renderer = renderer,
-  }, { __index = Buffer })
+  return setmetatable({ bufnr = bufnr, renderer = renderer }, Buffer)
 end
 
 --- @return u.Buffer

lua/u/codewriter.lua

@@ -5,6 +5,7 @@ local Buffer = require 'u.buffer'
 --- @field indent_level number
 --- @field indent_str string
 local CodeWriter = {}
+CodeWriter.__index = CodeWriter
 
 --- @param indent_level? number
 --- @param indent_str? string
@@ -18,7 +19,7 @@ function CodeWriter.new(indent_level, indent_str)
     indent_level = indent_level,
     indent_str = indent_str,
   }
-  setmetatable(cw, { __index = CodeWriter })
+  setmetatable(cw, CodeWriter)
   return cw
 end