From dbd60f9ff4071286f5e59d24f6269147322512ae Mon Sep 17 00:00:00 2001
From: Ben Wiederhake <BenWiederhake.GitHub@gmx.de>
Date: Fri, 26 Nov 2021 22:33:04 +0100
Subject: [PATCH] AK: Implement Formatter for ErrorOr<>

As the Formatter for Error already exists, this apparently was just
accidentally omitted.
---
 AK/Format.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/AK/Format.h b/AK/Format.h
index 90f2b5bf18..36221884d9 100644
--- a/AK/Format.h
+++ b/AK/Format.h
@@ -624,6 +624,16 @@ struct Formatter<Error> : Formatter<FormatString> {
     }
 };
 
+template<typename T, typename ErrorType>
+struct Formatter<ErrorOr<T, ErrorType>> : Formatter<FormatString> {
+    ErrorOr<void> format(FormatBuilder& builder, ErrorOr<T, ErrorType> const& error_or)
+    {
+        if (error_or.is_error())
+            return Formatter<FormatString>::format(builder, "{}", error_or.error());
+        return Formatter<FormatString>::format(builder, "{{{}}}", error_or.value());
+    }
+};
+
 } // namespace AK
 
 #ifdef KERNEL