From 9e4698b5e7904e7dafd62a2682713742fd3eb198 Mon Sep 17 00:00:00 2001
From: Edoardo La Greca
Date: Wed, 9 Jul 2025 22:24:23 +0200
Subject: add first exercise of lecture 5

---
 lec05/Calc.hs | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 lec05/Calc.hs

(limited to 'lec05/Calc.hs')

diff --git a/lec05/Calc.hs b/lec05/Calc.hs
new file mode 100644
index 0000000..8051d76
--- /dev/null
+++ b/lec05/Calc.hs
@@ -0,0 +1,10 @@
+module Calc where
+
+import ExprT
+
+-- Exercise 1
+
+eval :: ExprT -> Integer
+eval (Lit n) = n
+eval (Add l r) = eval l + eval r
+eval (Mul l r) = eval l * eval r
-- 
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