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Diffstat (limited to 'Assistant/BranchChange.hs')
| -rw-r--r-- | Assistant/BranchChange.hs | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/Assistant/BranchChange.hs b/Assistant/BranchChange.hs index b166c8777..d1d1c20df 100644 --- a/Assistant/BranchChange.hs +++ b/Assistant/BranchChange.hs @@ -8,14 +8,15 @@ module Assistant.BranchChange where import Control.Concurrent.MSampleVar +import Assistant.Common -type BranchChangeHandle = MSampleVar () +newtype BranchChangeHandle = BranchChangeHandle (MSampleVar ()) newBranchChangeHandle :: IO BranchChangeHandle -newBranchChangeHandle = newEmptySV +newBranchChangeHandle = BranchChangeHandle <$> newEmptySV branchChanged :: BranchChangeHandle -> IO () -branchChanged = flip writeSV () +branchChanged (BranchChangeHandle h) = writeSV h () waitBranchChange :: BranchChangeHandle -> IO () -waitBranchChange = readSV +waitBranchChange (BranchChangeHandle h) = readSV h |