clock-extras (empty) → 0.1.0.0

raw patch · 5 files changed

+101/−0 lines, 5 filesdep +basedep +clockdep +clock-extrassetup-changed

Dependencies added: base, clock, clock-extras, hspec

Files

• LICENSE +30/−0
• Setup.hs +2/−0
• clock-extras.cabal +36/−0
• src/System/Clock/TimeIt.hs +23/−0
• test/Spec.hs +10/−0

@@ -0,0 +1,30 @@+Copyright Author name here (c) 2016++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.

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

@@ -0,0 +1,36 @@+name:                clock-extras+version:             0.1.0.0+synopsis:            Initial project template from stack+description:         Please see README.md+homepage:            https://github.com/githubuser/clock-extras#readme+license:             BSD3+license-file:        LICENSE+author:              Author name here+maintainer:          example@example.com+copyright:           2016 Author name here+category:            Web+build-type:          Simple+-- extra-source-files:+cabal-version:       >=1.10++library+  hs-source-dirs:      src+  exposed-modules:     System.Clock.TimeIt+  build-depends: base  >= 4.7 && < 5+               , clock >= 0.7.1 && < 0.8.0+  default-language:    Haskell2010+  ghc-options:         -Wall++test-suite clock-extras-test+  type:                exitcode-stdio-1.0+  hs-source-dirs:      test+  main-is:             Spec.hs+  build-depends:       base+                     , clock-extras+                     , hspec >= 2.0 && < 3.0+  ghc-options:         -threaded -rtsopts -with-rtsopts=-N+  default-language:    Haskell2010++source-repository head+  type:     git+  location: https://github.com/skedgeme/clock-extras

@@ -0,0 +1,23 @@+{-| A couple functions that probably should be in the 'clock' package. +    See this issue: https://github.com/corsis/clock/issues/42+-}+module System.Clock.TimeIt where+import System.Clock++-- | Time an action. Return the elasped time the result+elapsedTime :: IO a -> IO (a, Double)+elapsedTime action = do+  startTime <- getTime Monotonic +  r <- action+  endTime   <- getTime Monotonic ++  let result = diffSeconds endTime startTime+               +  return (r, result)++-- | Subtract two TimeSpecs and return the result in seconds+diffSeconds :: TimeSpec -> TimeSpec -> Double+diffSeconds end start+  = (* 1e-9)+  $ fromIntegral+  $ toNanoSecs end - toNanoSecs  start

@@ -0,0 +1,10 @@+import Test.Hspec+import Control.Concurrent +import System.Clock.TimeIt++main :: IO ()+main = hspec $ describe "timeIt" $ do+  it " is the same as threadDelay" $ do+    ((), time) <- elapsedTime $ threadDelay 100000 +    abs (time - 0.1) < 0.009 `shouldBe` True+