From bf7bd86934ae61a75f9c0872570adb1788d1924d Mon Sep 17 00:00:00 2001
From: mxve <68632137+mxve@users.noreply.github.com>
Date: Sat, 30 Mar 2024 18:48:11 +0100
Subject: [PATCH] add length check to arg_value

---
 src/main.rs | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 2c1d910..499ae93 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -487,9 +487,12 @@ fn setup_env() {
 }
 
 fn arg_value(args: &[String], arg: &str) -> Option<String> {
-    args.iter()
-        .position(|r| r == arg)
-        .map(|e| args[e + 1].clone())
+    if let Some(e) = args.iter().position(|r| r == arg) {
+        if e + 1 < args.len() {
+            return Some(args[e + 1].clone());
+        }
+    }
+    None
 }
 
 fn arg_bool(args: &[String], arg: &str) -> bool {