From 2a20afb971ef3323955964b1bbb5f75af4ca5fcb Mon Sep 17 00:00:00 2001
From: Arnaud Bailly <arnaud@pankzsoft.com>
Date: Sat, 1 Nov 2025 17:45:25 +0100
Subject: Add server capability

---
 lambda-calcul/haskell/src/Minilang/Lambda/Eval.hs | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'lambda-calcul/haskell/src/Minilang/Lambda/Eval.hs')

diff --git a/lambda-calcul/haskell/src/Minilang/Lambda/Eval.hs b/lambda-calcul/haskell/src/Minilang/Lambda/Eval.hs
index 58f8ba6..7f7aad7 100644
--- a/lambda-calcul/haskell/src/Minilang/Lambda/Eval.hs
+++ b/lambda-calcul/haskell/src/Minilang/Lambda/Eval.hs
@@ -1,13 +1,16 @@
+{-# LANGUAGE DeriveAnyClass #-}
+
 module Minilang.Lambda.Eval where
 
-import Data.Text (Text, unpack)
-import Debug.Trace (trace)
+import Data.Aeson (FromJSON, ToJSON)
+import Data.Text (Text)
+import GHC.Generics (Generic)
 
 data Term
   = Var Text
   | Lam Text Term
   | App Term Term
-  deriving (Show, Read, Eq)
+  deriving (Show, Read, Eq, Generic, ToJSON, FromJSON)
 
 type Env = [(Text, Term)]
 
-- 
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