From e0417f0b629749173bb530f302099b4a1068ee10 Mon Sep 17 00:00:00 2001
From: fiatcode <fiatcode@posteo.com>
Date: Wed, 18 Feb 2026 12:58:09 +0700
Subject: [PATCH] GREEN: Fix custom delimiter bug

- Uncommented delimiter extraction line
- Now properly extracts custom delimiter from format '//[delimiter]\n'
- Tests pass: '//;\n1;2' returns 3, '//|\n10|20|30' returns 60
---
 lib/string_calculator.dart | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/string_calculator.dart b/lib/string_calculator.dart
index 2bb4e23..934878c 100644
--- a/lib/string_calculator.dart
+++ b/lib/string_calculator.dart
@@ -27,7 +27,7 @@ class StringCalculator {
     if (numbers.startsWith('//')) {
       // Bug 4: Custom delimiter not actually used
       final parts = numbers.split('\n');
-      // delimiter = parts[0].substring(2); // BUG: Commented out - never extracts delimiter!
+      delimiter = parts[0].substring(2); // Fixed: Extract custom delimiter
       numbersToProcess = parts.skip(1).join('\n');
     }