Initial commit

.gitignore

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+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
+cabal.project.local~
+.HTF/
+.ghc.environment.*
+stack*.yaml.lock
+local*
+Local*
+*~
+*.swp

ChangeLog.md

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+# Changelog for hstream
+
+## Unreleased changes

LICENSE

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+BSD 3-Clause License
+
+Copyright (c) 2020 EMQ Technologies Co., Ltd.
+
+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 Feng Lee <[email protected]> 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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+HStream
+=======

Setup.hs

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+import Distribution.Simple
+main = defaultMain

hstream.cabal

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+cabal-version:      2.2
+name:               hstream
+version:            0.0.0.0
+synopsis:           High performance stream processing platform for IoT data written in Haskell.
+description:        Please see the README on Github at
+                    <https://github.com/hstream-io/hstream#readme>
+license:            BSD-3-Clause
+license-file:       LICENSE
+copyright:          Copyright (c) 2020 EMQ Technologies Co., Ltd.
+author:             Feng Lee <[email protected]>
+maintainer:         [email protected]
+tested-with:        GHC == 8.10.2, GHC == 8.8.4, GHC == 8.6.5
+category:           Database
+homepage:           https://github.com/hstream-io/hstream
+bug-reports:        https://github.com/hstream-io/hstream/issues
+build-type:         Simple
+extra-source-files: README.md
+                    ChangeLog.md
+
+source-repository head
+  type:     git
+  location: https://github.com/hstream-io/hstream
+
+library
+  hs-source-dirs:   src
+  build-depends:    base >= 4.11 && < 5
+  default-language: Haskell2010
+  ghc-options:      -Wall -Wcompat -Widentities -Wincomplete-record-updates
+                    -Wincomplete-uni-patterns -Wpartial-fields -Wredundant-constraints
+
+executable hstream
+  main-is:          Main.hs
+  hs-source-dirs:   src
+  build-depends:    base >= 4.11 && < 5
+  default-language: Haskell2010
+  ghc-options:      -Wall -Wcompat -Widentities -Wincomplete-record-updates
+                    -Wincomplete-uni-patterns -Wpartial-fields -Wredundant-constraints
+
+test-suite hstream-test
+  type:               exitcode-stdio-1.0
+  main-is:            Spec.hs
+  hs-source-dirs:     test
+  build-depends:      base >= 4.11 && < 5, hspec, hstream
+  default-language:   Haskell2010
+  build-tool-depends: hspec-discover:hspec-discover == 2.*
+  ghc-options:        -Wall -Wcompat -Widentities -Wincomplete-record-updates
+                      -Wincomplete-uni-patterns -Wpartial-fields -Wredundant-constraints
+                      -threaded -rtsopts -with-rtsopts=-N

src/Main.hs

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+module Main where
+
+main :: IO ()
+main = do
+  putStrLn "hello world"

stack.yaml

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+resolver: lts-16.6
+
+packages:
+  - .

test/Spec.hs

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