Code optimization

Author: cedx

src/Sql.Cmdlets/Get-First.cs

@@ -64,7 +64,7 @@ protected override void ProcessRecord() {
 		}
 		catch (TargetInvocationException e) {
 			WriteError(new ErrorRecord(e.InnerException, "GetFirst:TargetInvocation", ErrorCategory.InvalidOperation, null));
-			WriteObject(null);
+			WriteObject(default);
 		}
 	}
 }

src/Sql.Cmdlets/Get-Single.cs

@@ -64,7 +64,7 @@ protected override void ProcessRecord() {
 		}
 		catch (TargetInvocationException e) {
 			WriteError(new ErrorRecord(e.InnerException, "GetSingle:TargetInvocation", ErrorCategory.InvalidOperation, null));
-			WriteObject(null);
+			WriteObject(default);
 		}
 	}
 }