Using ref struct string interpolation with string builder

ladeak · ladeak · commit d6913769a9d1 · 2024-04-16T07:47:57.000+02:00
diff --git a/src/Http/Headers/src/ContentDispositionHeaderValue.cs b/src/Http/Headers/src/ContentDispositionHeaderValue.cs
@@ -683,9 +683,7 @@ private static string Encode5987(StringSegment input)
 
     private static void HexEscape(StringBuilder builder, byte b)
     {
-        builder.Append('%');
-        builder.Append(HexUpperChars[(b & 0xf0) >> 4]);
-        builder.Append(HexUpperChars[b & 0xf]);
+        builder.Append(CultureInfo.InvariantCulture, $"%{HexUpperChars[(b & 0xf0) >> 4]}{HexUpperChars[b & 0xf]}");
     }
 
     // Attempt to decode using RFC 5987 encoding.

Original file line number	Diff line number	Diff line change
`@@ -683,9 +683,7 @@ private static string Encode5987(StringSegment input)`
`683`	`683`
`684`	`684`	`private static void HexEscape(StringBuilder builder, byte b)`
`685`	`685`	`{`
`686`		`- builder.Append('%');`
`687`		`- builder.Append(HexUpperChars[(b & 0xf0) >> 4]);`
`688`		`- builder.Append(HexUpperChars[b & 0xf]);`
	`686`	`+ builder.Append(CultureInfo.InvariantCulture, $"%{HexUpperChars[(b & 0xf0) >> 4]}{HexUpperChars[b & 0xf]}");`
`689`	`687`	`}`
`690`	`688`
`691`	`689`	`// Attempt to decode using RFC 5987 encoding.`