diff --git a/LICENSE b/LICENSE
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--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,30 @@
+Copyright Author name here (c) 2017
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+
+    * Neither the name of Author name here nor the names of other
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/README.md b/README.md
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--- /dev/null
+++ b/README.md
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+# extractable-singleton
diff --git a/Setup.hs b/Setup.hs
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--- /dev/null
+++ b/Setup.hs
@@ -0,0 +1,2 @@
+import Distribution.Simple
+main = defaultMain
diff --git a/extractable-singleton.cabal b/extractable-singleton.cabal
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+++ b/extractable-singleton.cabal
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+name:                extractable-singleton
+version:             0.0.0
+synopsis:            A functor, where the "stored" value is isomorphic to Identity
+-- description:
+homepage:            https://github.com/athanclark/extractable-singleton#readme
+license:             BSD3
+license-file:        LICENSE
+author:              Athan Clark
+maintainer:          athan.clark@gmail.com
+copyright:           2017 Athan Clark
+category:            Data
+build-type:          Simple
+extra-source-files:  README.md
+cabal-version:       >=1.10
+
+library
+  hs-source-dirs:      src
+  exposed-modules:     Data.Singleton.Class
+  build-depends:       base >= 4.8 && < 5
+  default-language:    Haskell2010
+
+source-repository head
+  type:     git
+  location: https://github.com/athanclark/extractable-singleton
diff --git a/src/Data/Singleton/Class.hs b/src/Data/Singleton/Class.hs
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+++ b/src/Data/Singleton/Class.hs
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+{-# LANGUAGE
+    KindSignatures
+  #-}
+
+module Data.Singleton.Class where
+
+import Data.Functor.Identity (Identity (..))
+
+
+
+class Extractable (f :: * -> *) where
+  runSingleton :: f a -> a
+
+
+instance Extractable ((,) e) where
+  runSingleton (_,x) = x
+
+instance Extractable ((,,) w s) where
+  runSingleton (_,_,x) = x
+
+instance Extractable Identity where
+  runSingleton (Identity x) = x