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Slight improvement to getLocation

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This commit is contained in:
Andrzej Rybczak 2022-03-09 16:51:23 +01:00
parent 3890b0a600
commit ce7112a309
1 changed files with 10 additions and 10 deletions
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20
effectful-core/src/Effectful/Internal/Env.hs
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@ -525,11 +525,11 @@ getLocation ix (Env fork size ref _) = do
-- specific effects for reinterpretation.
case fork of
NoFork -> pure $ Location i es
Forks _ baseIx lref forks -> do
EnvRef _ les _ <- readIORef lref
if i >= baseIx
then pure $ Location (i - baseIx) les
else go es# i forks
Forks _ baseIx lref forks
| i >= baseIx -> do
EnvRef _ les _ <- readIORef lref
pure $ Location (i - baseIx) les
| otherwise -> go es# i forks
where
go :: SmallMutableArray# RealWorld Any
-> Int
@ -537,8 +537,8 @@ getLocation ix (Env fork size ref _) = do
-> IO Location
go es# i = \case
NoFork -> pure $ Location i (SmallMutableArray es#)
Forks _ baseIx lref forks -> do
EnvRef _ les _ <- readIORef lref
if i >= baseIx
then pure $ Location (i - baseIx) les
else go es# i forks
Forks _ baseIx lref forks
| i >= baseIx -> do
EnvRef _ les _ <- readIORef lref
pure $ Location (i - baseIx) les
| otherwise -> go es# i forks