using System.Runtime.CompilerServices;
using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Engines;
using BenchmarkDotNet.Running;

BenchmarkSwitcher.FromAssembly(typeof(Benchmarks).Assembly).Run(args);

public class Benchmarks
{
    [Benchmark]
    public long Bench_stackalloc() => ParseNonCanonical_stackalloc("11");

    [Benchmark]
    public long Bench_InlineArray() => ParseNonCanonical_InlineArray("11");


    [MethodImpl(MethodImplOptions.NoInlining)]
    int ParseNonCanonical_stackalloc(ReadOnlySpan<char> name)
    {
        Span<long> parts = stackalloc long[3];
        Consume(parts);
        return name[1];
    }

    [MethodImpl(MethodImplOptions.NoInlining)]
    int ParseNonCanonical_InlineArray(ReadOnlySpan<char> name)
    {
        Span<long> parts = [0, 0, 0];
        Consume(parts);
        return name[1];
    }

    [MethodImpl(MethodImplOptions.NoInlining)]
    static void Consume(Span<long> parts) { }
}