Initial commit

.gitignore

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+# Created by .ignore support plugin (hsz.mobi)
+### Haskell template
+dist
+dist-*
+cabal-dev
+*.o
+*.hi
+*.chi
+*.chs.h
+*.dyn_o
+*.dyn_hi
+.hpc
+.hsenv
+.cabal-sandbox/
+cabal.sandbox.config
+*.prof
+*.aux
+*.hp
+*.eventlog
+.stack-work/
+cabal.project.local
+.HTF/
+
+*.iml
+.idea/

LICENSE

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+Copyright Drew Short (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.

README.md

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+# sothr-dot-com
+
+add description of sothr-dot-com here

Setup.hs

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+import Distribution.Simple
+main = defaultMain

app/Main.hs

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+module Main where
+
+import Data.String.Strip
+
+main :: IO ()
+main = interact strip

sothr-dot-com.cabal

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+name:                sothr-dot-com
+version:             0.1.0.0
+-- synopsis:
+-- description:
+homepage:            https://github.com/githubuser/sothr-dot-com#readme
+license:             BSD3
+license-file:        LICENSE
+author:              Author name here
+maintainer:          example@example.com
+copyright:           2017 Author name here
+category:            Web
+build-type:          Simple
+extra-source-files:  README.md
+cabal-version:       >=1.10
+
+library
+  hs-source-dirs:      src
+  exposed-modules:     Data.String.Strip
+  build-depends:       base >= 4.7 && < 5
+  default-language:    Haskell2010
+
+executable sothr-dot-com
+  hs-source-dirs:      app
+  main-is:             Main.hs
+  ghc-options:         -threaded -rtsopts -with-rtsopts=-N
+  build-depends:       base
+                     , sothr-dot-com
+  default-language:    Haskell2010
+
+test-suite sothr-dot-com-test
+  type:                exitcode-stdio-1.0
+  hs-source-dirs:      test
+  main-is:             Spec.hs
+  build-depends:       base
+                     , sothr-dot-com
+                     , hspec
+                     , QuickCheck
+  ghc-options:         -threaded -rtsopts -with-rtsopts=-N
+  default-language:    Haskell2010
+
+source-repository head
+  type:     git
+  location: https://github.com/githubuser/sothr-dot-com

src/Data/String/Strip.hs

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+module Data.String.Strip (strip)  where
+
+import Data.Char
+
+strip :: String -> String
+strip = dropWhile isSpace . reverse . dropWhile isSpace . reverse

test/Data/String/StripSpec.hs

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+module Data.String.StripSpec (main, spec) where
+
+import Test.Hspec
+import Test.QuickCheck
+
+import Data.String.Strip
+
+-- `main` is here so that this module can be run from GHCi on its own.  It is
+-- not needed for automatic spec discovery.
+main :: IO ()
+main = hspec spec
+
+spec :: Spec
+spec = do
+  describe "strip" $ do
+    it "removes leading and trailing whitespace" $ do
+      strip "\t  foo bar\n" `shouldBe` "foo bar"
+    it "is idempotent" $ property $
+      \str -> strip str === strip (strip str)

test/Spec.hs

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+{-# OPTIONS_GHC -F -pgmF hspec-discover #-}