|TypeName|StringBuilderInLoopAnalyzer | |Check Id | CC0039 | |Category | Performance | |Severity | Warning |

Do not concatenate a string on a loop. It will alocate a lot of memory. Use a StringBuilder instead. It will will require less allocation, less garbage collector work, less CPU cycles, and less overall time.

{% highlight csharp %} var values = ""; foreach (var item in Enum.GetValues(typeof(LoaderOptimization))) { values += item.ToString(); } {% endhighlight %}

A code fix will be presented to you that will transform the code, it will use StringBuilder to concatenate the string.

{% highlight csharp %} var values = ""; var builder = new StringBuilder(); builder.Append(values); foreach (var item in Enum.GetValues(typeof(LoaderOptimization))) { builder.Append(item.ToString()); } values = builder.ToString(); {% endhighlight %}


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