From 32af1594520d1ce6f4166a8da5a8635d636968ed Mon Sep 17 00:00:00 2001
From: Jan Sucan <jan@jansucan.com>
Date: Thu, 9 Mar 2023 20:50:49 +0100
Subject: 2_b_3: Add solution

---
 ch02/2_b_3.txt | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 ch02/2_b_3.txt

(limited to 'ch02/2_b_3.txt')

diff --git a/ch02/2_b_3.txt b/ch02/2_b_3.txt
new file mode 100644
index 0000000..2b818de
--- /dev/null
+++ b/ch02/2_b_3.txt
@@ -0,0 +1,14 @@
+-- Load your lastButOne function into ghci, and try it out on lists of different
+-- lengths. What happens when you pass it a list that's too short?
+
+ghci> :l 2_b_2.hs
+[1 of 1] Compiling Main             ( 2_b_2.hs, interpreted )
+Ok, one module loaded.
+ghci> lastButOne [1, 2, 3, 4]
+3
+ghci> lastButOne [1, 2, 3]
+2
+ghci> lastButOne [1, 2]
+1
+ghci> lastButOne [1]
+*** Exception: Prelude.tail: empty list
-- 
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