observable-sharing (empty) → 0.1.0.0

raw patch · 4 files changed

+85/−0 lines, 4 filesdep +basesetup-changed

Dependencies added: base

Files

• LICENSE +30/−0
• Setup.hs +2/−0
• observable-sharing.cabal +29/−0
• src/Data/Ref.hs +24/−0

@@ -0,0 +1,30 @@+Copyright (c) 2015, Markus Aronsson++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 Markus Aronsson 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.

@@ -0,0 +1,2 @@+import Distribution.Simple+main = defaultMain

@@ -0,0 +1,29 @@+-- Initial observable-sharing.cabal generated by cabal init.  For further +-- documentation, see http://haskell.org/cabal/users-guide/++name:                observable-sharing+version:             0.1.0.0+synopsis:            Simple observable sharing+-- description:         +license:             BSD3+license-file:        LICENSE+author:              Atze van Der Ploeg <atzeus@gmail.com>,+                     Markus Aronsson <mararon@chalmers.se>+maintainer:          mararon@chalmers.se+-- copyright:           +category:            Data+build-type:          Simple+-- extra-source-files:  +cabal-version:       >=1.10++source-repository head+  type:     git+  location: git://github.com/atzeus/observable-sharing++library+  exposed-modules:     Data.Ref+  -- other-modules:       +  -- other-extensions:    +  build-depends:       base >=4.8 && <4.9+  hs-source-dirs:      .,src+  default-language:    Haskell2010

@@ -0,0 +1,24 @@+module Data.Ref where++import Data.Unique+import System.IO.Unsafe+import Control.Applicative++--------------------------------------------------------------------------------+-- * References+--------------------------------------------------------------------------------++data Ref a = Ref { refNr :: Unique , deref :: a }++instance Eq (Ref a) where+  Ref u1 _ == Ref u2 _ = u1 == u2++instance Show a => Show (Ref a) where+  show (Ref u x) = "(Ref " ++ show (hashUnique u) ++ " " ++ show x ++ ")"++ref :: a -> Ref a+ref x = unsafePerformIO $ flip Ref x <$> newUnique+{-# NOINLINE ref #-}++--------------------------------------------------------------------------------+-- the end.