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| author | krangelov <kr.angelov@gmail.com> | 2020-10-02 19:55:24 +0200 |
|---|---|---|
| committer | krangelov <kr.angelov@gmail.com> | 2020-10-02 19:55:24 +0200 |
| commit | f3a8658cc1ed5b2721ee9d3f670f6b9a49f0f049 (patch) | |
| tree | 8a311ec3c3a454088fa3c74b4464f974fe5aee21 /src/compiler/GF/Infra/CheckM.hs | |
| parent | bfb94d1e48fded159bbf63a992564cb24e987772 (diff) | |
| parent | f56fbcf86e472262d07c6bd713f6955cfbcfee8a (diff) | |
Merge branch 'master' of https://github.com/GrammaticalFramework/gf-core
Diffstat (limited to 'src/compiler/GF/Infra/CheckM.hs')
| -rw-r--r-- | src/compiler/GF/Infra/CheckM.hs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/compiler/GF/Infra/CheckM.hs b/src/compiler/GF/Infra/CheckM.hs index c5f9ba255..c0234999a 100644 --- a/src/compiler/GF/Infra/CheckM.hs +++ b/src/compiler/GF/Infra/CheckM.hs @@ -32,6 +32,7 @@ import System.FilePath(makeRelative) import Control.Parallel.Strategies(parList,rseq,using) import Control.Monad(liftM,ap) import Control.Applicative(Applicative(..)) +import qualified Control.Monad.Fail as Fail type Message = Doc type Error = Message @@ -53,6 +54,9 @@ instance Monad Check where (ws,Success x) -> unCheck (g x) {-ctxt-} ws (ws,Fail msg) -> (ws,Fail msg) +instance Fail.MonadFail Check where + fail = raise + instance Applicative Check where pure = return (<*>) = ap |