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| author | chessai <chessai1996@gmail.com> | 2018-12-17 23:36:20 -0500 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2018-12-17 23:36:53 -0500 |
| commit | f5e98bb31cf4dae740c8dc598ef207aa79d5a179 (patch) | |
| tree | 5e4c2def51e459f43805a951d1a68c170002d450 /libraries/base/Control/Concurrent/QSemN.hs | |
| parent | a0fb20bae31ed7a50d1a6e4e15c42ba25d836bfc (diff) | |
| download | haskell-f5e98bb31cf4dae740c8dc598ef207aa79d5a179.tar.gz | |
make QSem and QSemN newtypes
Reviewers: RyanGlScott, ekmett, hvr, bgamari
Reviewed By: bgamari
Subscribers: rwbarton, carter
GHC Trac Issues: #15995
Differential Revision: https://phabricator.haskell.org/D5456
Diffstat (limited to 'libraries/base/Control/Concurrent/QSemN.hs')
| -rw-r--r-- | libraries/base/Control/Concurrent/QSemN.hs | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/libraries/base/Control/Concurrent/QSemN.hs b/libraries/base/Control/Concurrent/QSemN.hs index b8c9274057..8b3ce5526e 100644 --- a/libraries/base/Control/Concurrent/QSemN.hs +++ b/libraries/base/Control/Concurrent/QSemN.hs @@ -1,6 +1,4 @@ {-# LANGUAGE Safe #-} -{-# LANGUAGE BangPatterns #-} -{-# OPTIONS_GHC -funbox-strict-fields #-} ----------------------------------------------------------------------------- -- | @@ -41,7 +39,7 @@ import Data.Maybe -- -- is safe; it never loses any of the resource. -- -data QSemN = QSemN !(MVar (Int, [(Int, MVar ())], [(Int, MVar ())])) +newtype QSemN = QSemN (MVar (Int, [(Int, MVar ())], [(Int, MVar ())])) -- The semaphore state (i, xs, ys): -- |