From e015d5ec26e5e11ce11017dcf58a00e47ea61726 Mon Sep 17 00:00:00 2001
From: Calvin Timmer <calvin.timmer@mailbox.org>
Date: Thu, 2 Feb 2017 14:43:36 +0100
Subject: [PATCH] Improve readability of pulseaudio widget code

---
 widgets/pulseaudio.lua | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/widgets/pulseaudio.lua b/widgets/pulseaudio.lua
index 893002f..8a48f76 100644
--- a/widgets/pulseaudio.lua
+++ b/widgets/pulseaudio.lua
@@ -10,15 +10,13 @@ local helpers      = require("lain.helpers")
 local shell        = require("awful.util").shell
 local wibox        = require("wibox")
 local string       = { gmatch = string.gmatch,
-                       match  = string.match,
-                       format = string.format }
-local setmetatable = setmetatable
+                       match  = string.match }
 
 -- PulseAudio volume
 -- lain.widgets.pulseaudio
 
 
-local function worker(args)
+local function factory(args)
    local pulseaudio = {}
    local args        = args or {}
    local timeout     = args.timeout or 5
@@ -59,4 +57,4 @@ local function worker(args)
    return pulseaudio
 end
 
-return setmetatable({}, { __call = function(_, ...) return worker(...) end })
+return factory