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Merge branch 'master' of https://github.com/copycat-killer/lain
authorQuan Guo <guotsuan@gmail.com>
Fri, 29 Jan 2016 19:42:56 +0000 (20:42 +0100)
committerQuan Guo <guotsuan@gmail.com>
Fri, 29 Jan 2016 19:42:56 +0000 (20:42 +0100)
1  2 
helpers.lua

diff --combined helpers.lua
index 70ca0293ea44cd3799e02f8ef2c9e3349c9eb9d6,4ece329a6dc886f4e106ceb2711d1589a0a99334..5e958c3937e6d84fccf1a065a2d953b86f4da044
@@@ -8,11 -8,12 +8,12 @@@
  
  local debug  = require("debug")
  
 -local capi   = { timer = timer }
 +local capi   = { timer = (type(timer) == 'table' and timer or require ("gears.timer")) }
  local io     = { open  = io.open,
                   lines = io.lines,
                   popen = io.popen }
  local rawget = rawget
+ local table  = { sort   = table.sort }
  
  -- Lain helper functions for internal use
  -- lain.helpers
@@@ -113,4 -114,23 +114,23 @@@ en
  
  -- }}}
  
+ --{{{ Iterate over table of records sorted by keys
+ function helpers.spairs(t)
+     -- collect the keys
+     local keys = {}
+     for k in pairs(t) do keys[#keys+1] = k end
+     table.sort(keys)
+     -- return the iterator function
+     local i = 0
+     return function()
+         i = i + 1
+         if keys[i] then
+             return keys[i], t[keys[i]]
+         end
+     end
+ end
+ --}}}
  return helpers