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perf: replace fixed length List with Span #4153

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Merged
thomhurst merged 1 commit into from
Dec 23, 2025
+5 −5
Merged

perf: replace fixed length List with Span #4153

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10 changes: 5 additions & 5 deletions TUnit.Core/Helpers/ArgumentFormatter.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -135,19 +135,19 @@ private static string FormatTuple(object tuple)
private static string FormatEnumerable(IEnumerable enumerable)
{
const int maxElements = 10;
var elements = new List<string>(maxElements + 1);
var count = 0;
Span<string?> elements = [null, null, null, null, null, null, null, null, null, null, null];

var count = 0;
try
{
foreach (var element in enumerable)
{
if (count >= maxElements)
{
elements.Add("...");
elements[count] ="...";
break;
}
elements.Add(FormatDefault(element));
elements[count] = FormatDefault(element);
count++;
}
}
Expand All @@ -157,6 +157,6 @@ private static string FormatEnumerable(IEnumerable enumerable)
return enumerable.GetType().Name;
}

return string.Join(", ", elements);
return string.Join(", ", elements[..count]);
}
}
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