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Bench: vector #1712

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Bench: vector #1712

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77d62f9
perf: use `ContainsAnyExceptInRange` to calculate width
TimothyMakkison Oct 12, 2025
6951504
bench: real world bench for string width
TimothyMakkison Oct 18, 2025
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116 changes: 114 additions & 2 deletions Src/CSharpier.Benchmarks/Program.cs
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15 changes: 15 additions & 0 deletions Src/CSharpier.Core/Utilities/StringExtensions.cs
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Original file line number Diff line number Diff line change
@@ -1,3 +1,5 @@
using System.Runtime.CompilerServices;

namespace CSharpier.Core.Utilities;

internal static class StringExtensions
Expand Down Expand Up @@ -35,7 +37,20 @@ public static int IndexOf(this string value, char otherValue)
#endif

// some unicode characters should be considered size of 2 when calculating how big this string will be when printed
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int GetPrintedWidth(this string value)
{
#if NET8_0_OR_GREATER
if (! MemoryExtensions.ContainsAnyExceptInRange(value, (char)0, (char)0x10FF))
{
return value.Length;
}
#endif

return CalculateActualWidth(value);
}

private static int CalculateActualWidth(string value)
{
var sum = 0;
// ReSharper disable once ForeachCanBeConvertedToQueryUsingAnotherGetEnumerator
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