[commit: ghc] wip/nfs-locking: Add replaceChar helper function. (1fa4aa5)

git at git.haskell.org git at git.haskell.org
Thu Oct 26 23:45:22 UTC 2017


Repository : ssh://git@git.haskell.org/ghc

On branch  : wip/nfs-locking
Link       : http://ghc.haskell.org/trac/ghc/changeset/1fa4aa517a6e1334b276539204b41367fbff8a51/ghc

>---------------------------------------------------------------

commit 1fa4aa517a6e1334b276539204b41367fbff8a51
Author: Andrey Mokhov <andrey.mokhov at gmail.com>
Date:   Tue Dec 30 03:52:56 2014 +0000

    Add replaceChar helper function.


>---------------------------------------------------------------

1fa4aa517a6e1334b276539204b41367fbff8a51
 src/Base.hs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Base.hs b/src/Base.hs
index b4ea8cb..eaebaf3 100644
--- a/src/Base.hs
+++ b/src/Base.hs
@@ -10,6 +10,7 @@ module Base (
     Args, arg,
     joinArgs, joinArgsWithSpaces,
     filterOut,
+    replaceChar
     ) where
 
 import Development.Shake hiding ((*>))
@@ -42,3 +43,8 @@ joinArgs = intercalateArgs ""
 
 filterOut :: Args -> [String] -> Args
 filterOut args list = filter (`notElem` list) <$> args
+
+replaceChar :: Char -> Char -> String -> String
+replaceChar from to = (go from) . if from == '/' then go '\\' else id
+  where
+    go from' = map (\c -> if c == from' then to else c)



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