Merge pull request #25714 from snoire/enum-literal-format-support

std.Io.Writer.print: support .enum_literal in 't' format specifier

Author: squeek502

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 => {},

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" {