content: #!/usr/bin/env stack
  -- stack --resolver lts-14.11 runghc --package minio-hs
  
  --
  -- MinIO Haskell SDK, (C) 2017, 2018 MinIO, Inc.
  --
  -- Licensed under the Apache License, Version 2.0 (the "License");
  -- you may not use this file except in compliance with the License.
  -- You may obtain a copy of the License at
  --
  --     http://www.apache.org/licenses/LICENSE-2.0
  --
  -- Unless required by applicable law or agreed to in writing, software
  -- distributed under the License is distributed on an "AS IS" BASIS,
  -- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  -- See the License for the specific language governing permissions and
  -- limitations under the License.
  --
  {-# LANGUAGE OverloadedStrings #-}
  
  import Network.Minio
  import Network.Minio.S3API
  import Prelude
  
  -- | The following example uses minio's play server at
  -- https://play.min.io.  The endpoint and associated
  -- credentials are provided via the libary constant,
  --
  -- > minioPlayCI :: ConnectInfo
  main :: IO ()
  main = do
    let bucket = "test"
        object = "passwd"
    res <-
      runMinio minioPlayCI $
        headObject bucket object []
  
    case res of
      Left e -> putStrLn $ "headObject failed." ++ show e
      Right objInfo -> putStrLn $ "headObject succeeded." ++ show objInfo
  