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Diffstat (limited to 'src/compiler/GF/CompileInParallel.hs')
| -rw-r--r-- | src/compiler/GF/CompileInParallel.hs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/compiler/GF/CompileInParallel.hs b/src/compiler/GF/CompileInParallel.hs index 68ac7aa4a..460869539 100644 --- a/src/compiler/GF/CompileInParallel.hs +++ b/src/compiler/GF/CompileInParallel.hs @@ -256,6 +256,9 @@ instance Output m => Output (CollectOutput m) where putStrLnE s = CO (return (putStrLnE s,())) putStrE s = CO (return (putStrE s,())) +instance MonadFail m => MonadFail (CollectOutput m) where + fail = CO . fail + instance ErrorMonad m => ErrorMonad (CollectOutput m) where raise e = CO (raise e) handle (CO m) h = CO $ handle m (unCO . h) |