diff options
Diffstat (limited to 'lambda-calcul/haskell/src/Minilang/Lambda/Infer.hs')
| -rw-r--r-- | lambda-calcul/haskell/src/Minilang/Lambda/Infer.hs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lambda-calcul/haskell/src/Minilang/Lambda/Infer.hs b/lambda-calcul/haskell/src/Minilang/Lambda/Infer.hs index 2e1814e..ab590c6 100644 --- a/lambda-calcul/haskell/src/Minilang/Lambda/Infer.hs +++ b/lambda-calcul/haskell/src/Minilang/Lambda/Infer.hs @@ -14,6 +14,7 @@ import GHC.Generics (Generic) import qualified Minilang.Lambda.Eval as Eval import Minilang.Lambda.Unify (Type (..), UnifyError, apply, unify) import Prelude hiding (lookup) +import qualified Minilang.Lambda.Unify as Unify data ATerm ann = Var Text ann @@ -25,6 +26,9 @@ data TypeError = UnifyError UnifyError deriving (Show, Eq) +render :: TypeError -> Text +render (UnifyError ue) = Unify.render ue + fromTerm :: Eval.Term -> ATerm () fromTerm (Eval.Var x) = Var x () fromTerm (Eval.Lam x body) = Lam x (fromTerm body) () |