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author | Egor Tensin <Egor.Tensin@gmail.com> | 2016-07-11 18:55:26 +0300 |
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committer | Egor Tensin <Egor.Tensin@gmail.com> | 2016-07-11 18:55:26 +0300 |
commit | d53c986113cef78e2b504ecd5a4bba60999a55e1 (patch) | |
tree | 445b892abcfa272153dc39968838dbdc5d34d684 /Utils.hs | |
parent | README update (diff) | |
download | windows-env-d53c986113cef78e2b504ecd5a4bba60999a55e1.tar.gz windows-env-d53c986113cef78e2b504ecd5a4bba60999a55e1.zip |
become a proper stack project
Diffstat (limited to 'Utils.hs')
-rw-r--r-- | Utils.hs | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/Utils.hs b/Utils.hs deleted file mode 100644 index 21ee67b..0000000 --- a/Utils.hs +++ /dev/null @@ -1,32 +0,0 @@ -{- - - Copyright 2015 Egor Tensin <Egor.Tensin@gmail.com> - - This file is licensed under the terms of the MIT License. - - See LICENSE.txt for details. --} - -module Utils where - -import Control.Monad ( liftM ) -import Data.Char ( toLower ) -import System.IO ( hFlush, stdout ) - -prompt :: String -> IO String -prompt banner = do - putStr banner - hFlush stdout - getLine - -promptYesNo :: String -> IO Bool -promptYesNo banner = do - response <- liftM (map toLower) $ prompt banner - if response `elem` yeses - then return True - else if response `elem` noes - then return False - else promptToContinue - where - yeses = ["y", "yes"] - noes = ["n", "no"] - -promptToContinue :: IO Bool -promptToContinue = promptYesNo "Continue? (y/n) " |