From 0b991d7ea58ece71f358741e3f0d28bb085040d6 Mon Sep 17 00:00:00 2001
From: rxi <rxi@users.noreply.github.com>
Date: Fri, 12 Dec 2014 18:56:13 +0000
Subject: [PATCH] Added identity() and iteratee() local funcs

---
 lume.lua | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/lume.lua b/lume.lua
index 73f1e9e..c868992 100644
--- a/lume.lua
+++ b/lume.lua
@@ -35,6 +35,24 @@ local iscallable = function(x)
   return mt and mt.__call ~= nil
 end
 
+local identity = function(x)
+  return x
+end
+
+local iteratee = function(x)
+  if x == nil then return identity end
+  if iscallable(x) then return x end
+  if type(x) == "table" then
+    return function(z)
+      for k, v in pairs(x) do
+        if z[k] ~= v then return false end
+      end
+      return true
+    end
+  end
+  return function(z) return z[x] end
+end
+
 
 
 function lume.clamp(x, min, max)