From 71c754190550fbebb0ac8ae92d4bef3cd8b7c94b Mon Sep 17 00:00:00 2001
From: John Long <patimen@yahoo.com>
Date: Wed, 5 Jan 2022 23:22:46 -0800
Subject: [PATCH] Switch to readln

readln throws an exception when a file hits EOF, wheras readLine returns null. That puts us in an infinite loop if we hit EOF.
---
 03_Animal/kotlin/Animal.kt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/03_Animal/kotlin/Animal.kt b/03_Animal/kotlin/Animal.kt
index bac9af08..90fc9f20 100644
--- a/03_Animal/kotlin/Animal.kt
+++ b/03_Animal/kotlin/Animal.kt
@@ -37,14 +37,14 @@ fun main() {
 // an answer or a blank string
 fun ask(question: String): String {
     print("$question? ")
-    return readLine()?.uppercase() ?: ""
+    return readln().uppercase() ?: ""
 }
 
 // Special case for a "yes or no" question, returns true of yes
 fun askYesOrNo(question: String): Boolean {
     return generateSequence {
         print("$question? ")
-        readLine()
+        readln()
     }.firstNotNullOf { yesOrNo(it) }
 }