layout: fixed spaces

[etc/awesome.git] / helpers.lua

diff --git a/helpers.lua b/helpers.lua
index 50254c1651d59959252afa12a2f363066d4d7a83..a10aa7aaf8412304244de738dd8223cb2ace3679 100644 (file)
--- a/helpers.lua
+++ b/helpers.lua
@@ -9,7 +9,7 @@
 local debug  = require("debug")
 
 local assert = assert
-local capi   = { timer = require ("gears.timer") }
+local capi   = { timer = require("gears.timer") }
 local io     = { open  = io.open,
                  lines = io.lines,
                  popen = io.popen }
@@ -144,6 +144,16 @@ end
 
 -- {{{ Misc
 
+-- check if an element exist on a table
+function helpers.element_in_table(element, tbl)
+    for _, i in pairs(tbl) do
+        if i == element then
+            return true
+        end
+    end
+    return false
+end
+
 -- iterate over table of records sorted by keys
 function helpers.spairs(t)
     -- collect the keys