remove unnecessary function

README.md

@@ -85,6 +85,7 @@ In order to use [Telescope](https://github.com/nvim-telescope/telescope.nvim) as
 make sure to add `telescope` to your dependencies and paste this following snippet into your configuration.
 
 ```lua
+local finders = require("telescope.finders")
 local actions = require("telescope.actions")
 local action_state = require("telescope.actions.state")
 local harpoon = require('harpoon')
@@ -100,21 +101,13 @@ local function toggle_telescope(harpoon_files)
 
     require("telescope.pickers").new({}, {
         prompt_title = "Harpoon",
-        finder = require("telescope.finders").new_table({
+        finder = finders.new_table({
             results = file_paths,
         }),
         previewer = conf.file_previewer({}),
         sorter = conf.generic_sorter({}),
         -- Make telescope select buffer from harpoon list
         attach_mappings = function(_, map)
-            local function list_find(list, func)
-                for i, v in ipairs(list) do
-                    if func(v, i, list) then
-                        return i, v
-                    end
-                end
-            end
-
             actions.select_default:replace(function(prompt_bufnr)
                 local curr_picker = action_state.get_current_picker(prompt_bufnr)
                 local curr_entry = action_state.get_selected_entry()
@@ -123,13 +116,7 @@ local function toggle_telescope(harpoon_files)
                 end
                 actions.close(prompt_bufnr)
 
-                local idx, _ = list_find(curr_picker.finder.results, function(v)
-                    if curr_entry.value == v.value then
-                        return true
-                    end
-                    return false
-                end)
-                harpoon:list():select(idx)
+                harpoon:list():select(curr_entry.index)
             end)
             -- Delete entries from harpoon list with <C-d>
             map({ 'n', 'i' }, '<C-d>', function(prompt_bufnr)