diff options
| author | Marvin Borner | 2022-08-12 15:26:03 +0200 |
|---|---|---|
| committer | Marvin Borner | 2022-08-12 15:26:03 +0200 |
| commit | cce495b3b4440997274ecab3d72ed61d6a50b007 (patch) | |
| tree | cc56c7af514dd6ca31edb5360a6682ac5439af01 /src/Eval.hs | |
| parent | b3cf49974e8af4e35ffc01fbe2f8e181d38de03a (diff) | |
Added infix operator support
This isn't compatible with the :test .. = .. syntax, therefore I removed
it. They also don't have custom precedence/associativity support and
aren't chainable right now.
Diffstat (limited to 'src/Eval.hs')
| -rw-r--r-- | src/Eval.hs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/Eval.hs b/src/Eval.hs index 65db990..6b165b2 100644 --- a/src/Eval.hs +++ b/src/Eval.hs @@ -66,11 +66,15 @@ evalApp f g sub = Right f' -> fmap (Application f') <$> evalExp g sub ) +evalInfix :: Expression -> String -> Expression -> Environment -> Program (Failable Expression) +evalInfix le i re = evalExp $ Application (Application (Variable i) le) re + evalExp :: Expression -> Environment -> Program (Failable Expression) evalExp idx@(Bruijn _ ) = const $ pure $ Right idx evalExp ( Variable var) = evalVar var evalExp ( Abstraction e) = evalAbs e evalExp ( Application f g) = evalApp f g +evalExp (Infix le i re) = evalInfix le i re evalDefine :: String -> Expression -> Environment -> Program (Failable Expression) |