From ffb0050d811ba7c79d7781cc908a499e4c95d4e3 Mon Sep 17 00:00:00 2001
From: snoire <snoire@qq.com>
Date: Mon, 27 Oct 2025 16:10:20 +0800
Subject: [PATCH 1/2] std.Io.Writer.print: support .enum_literal in 't' format
 specifier

---
 lib/std/Io/Writer.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/std/Io/Writer.zig b/lib/std/Io/Writer.zig
index b41aa24ccb3c..d0721307d49d 100644
--- a/lib/std/Io/Writer.zig
+++ b/lib/std/Io/Writer.zig
@@ -1161,7 +1161,7 @@ pub fn printValue(
             },
             't' => switch (@typeInfo(T)) {
                 .error_set => return w.alignBufferOptions(@errorName(value), options),
-                .@"enum", .@"union" => return w.alignBufferOptions(@tagName(value), options),
+                .@"enum", .enum_literal, .@"union" => return w.alignBufferOptions(@tagName(value), options),
                 else => invalidFmtError(fmt, value),
             },
             else => {},

From b4b54b597d59b709b7d801db55c7705c8e950d4e Mon Sep 17 00:00:00 2001
From: snoire <snoire@qq.com>
Date: Thu, 6 Nov 2025 13:44:53 +0800
Subject: [PATCH 2/2] test: add test case for enum-literal with '{t}' format

Co-authored-by: Ryan Liptak <squeek502@hotmail.com>
---
 lib/std/fmt.zig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/std/fmt.zig b/lib/std/fmt.zig
index 9a705a439779..2dc7e13855ee 100644
--- a/lib/std/fmt.zig
+++ b/lib/std/fmt.zig
@@ -1249,6 +1249,7 @@ test "vector" {
 
 test "enum-literal" {
     try expectFmt(".hello_world", "{}", .{.hello_world});
+    try expectFmt("hello_world", "{t}", .{.hello_world});
 }
 
 test "padding" {