Added Reverse function

Author: linkdotnet

CHANGELOG.md

@@ -6,6 +6,9 @@ All notable changes to **ValueStringBuilder** will be documented in this file. T
 
 ## [Unreleased]
 
+### Added
+-   Added `Reverse` function
+
 ## [1.12.2] - 2023-02-21
 
 ### Changed

src/LinkDotNet.StringBuilder/ValueStringBuilder.cs

@@ -287,6 +287,11 @@ public readonly void Dispose()
         }
     }
 
+    /// <summary>
+    /// Reverses the sequence of elements in this instance.
+    /// </summary>
+    public readonly void Reverse() => buffer[..bufferPosition].Reverse();
+
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
     private void Grow(int capacity = 0)
     {

tests/LinkDotNet.StringBuilder.UnitTests/ValueStringBuilderTests.cs

@@ -468,4 +468,14 @@ public void ConcatShouldHandleNullValues()
 
         ValueStringBuilder.Concat(array!).Should().Be(string.Empty);
     }
+
+    [Fact]
+    public void ShouldReverseString()
+    {
+        using var builder = new ValueStringBuilder("Hello");
+
+        builder.Reverse();
+
+        builder.ToString().Should().Be("olleH");
+    }
 }