FEATURE_SPAN

Author: sungam3r

src/Serilog.Sinks.Console/Serilog.Sinks.Console.csproj

@@ -26,6 +26,10 @@
     <DefineConstants>$(DefineConstants);RUNTIME_INFORMATION</DefineConstants>
   </PropertyGroup>
 
+  <PropertyGroup Condition=" '$(TargetFramework)' == 'net5.0' ">
+    <DefineConstants>$(DefineConstants);FEATURE_SPAN</DefineConstants>
+  </PropertyGroup>
+     
   <ItemGroup>
     <PackageReference Include="Serilog" Version="2.10.0" />
     <PackageReference Include="Nullable" Version="1.3.0" PrivateAssets="all" />

src/Serilog.Sinks.Console/Sinks/SystemConsole/Output/TimestampTokenRenderer.cs

@@ -74,7 +74,7 @@ public void Render(TextWriter output, string? format = null, IFormatProvider? fo
                     return;
                 }
 
-#if NET5_0_OR_GREATER
+#if FEATURE_SPAN
                 Span<char> buffer = stackalloc char[32];
                 if (Value.TryFormat(buffer, out int written, format, formatProvider ?? CultureInfo.InvariantCulture))
                     output.Write(buffer.Slice(0, written));