Fix completions and allow buffer

nvim/.config/nvim/completion.lua

@@ -1,5 +1,9 @@
 local cmp = require 'cmp'
 
+local has_words_before = function()
+  local line, col = unpack(vim.api.nvim_win_get_cursor(0))
+  return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match("%s") == nil
+end
 
 cmp.setup {
   completion = {
@@ -34,7 +38,7 @@ cmp.setup {
     end, { "i", "s" }),
   },
   sources = {
-    -- { name = 'buffer' },
+    { name = 'buffer' },
     -- { name = 'spell' },
     { name = 'nvim_lsp' },
     -- { name = 'path' },

nvim/.config/nvim/plugs.vim

@@ -33,6 +33,7 @@ Plug 'flazz/vim-colorschemes'
 " Completions <3
 Plug 'hrsh7th/nvim-cmp', { 'branch': 'main' }
 Plug 'hrsh7th/cmp-nvim-lsp', { 'branch': 'main' }
+Plug 'hrsh7th/cmp-buffer', { 'branch': 'main' }
 
 " Rust support
 Plug 'simrat39/rust-tools.nvim'