Batch: IList<> implementation

[viceroypenguin]

This PR adds an IList<> implementation for Batch, which improves memory usage and performance.

Fixes #433

// * Summary *

BenchmarkDotNet=v0.13.5, OS=Windows 11 (10.0.22621.1702/22H2/2022Update/SunValley2)
12th Gen Intel Core i7-12700H, 1 CPU, 20 logical and 14 physical cores
.NET SDK=8.0.100-preview.4.23260.5
  [Host] : .NET 7.0.5 (7.0.523.17405), X64 RyuJIT AVX2

Method	source1	N	Mean	Error	StdDev	Gen0	Gen1	Allocated
BatchCount	Syste(...)nt32] [47]	10000	9.218 ns	0.0719 ns	0.0673 ns	0.0025	0.0000	32 B
BatchCount	Syste(...)nt32] [62]	10000	84,466.111 ns	288.4135 ns	269.7822 ns	-	-	272 B
BatchCopyTo	Syste(...)nt32] [47]	10000	20,873.986 ns	139.9441 ns	124.0568 ns	4.4556	0.7019	56104 B
BatchCopyTo	Syste(...)nt32] [62]	10000	84,675.289 ns	311.1713 ns	291.0698 ns	0.6104	0.1221	8760 B
BatchElementAt	Syste(...)nt32] [47]	10000	51.323 ns	0.2610 ns	0.2441 ns	0.0108	0.0001	136 B
BatchElementAt	Syste(...)nt32] [62]	10000	65,809.909 ns	415.9993 ns	389.1260 ns	-	-	272 B

Code

#load "BenchmarkDotNet"

void Main()
{
	RunBenchmark();
}

public IEnumerable<object[]> EnumerableArguments()
{
	foreach (var i in new[] { 10_000, })
	{
		yield return new object[]
		{
			Enumerable.Range(1, i).Where(_ => true),
			i,
		};
		yield return new object[]
		{
			Enumerable.Range(1, i).ToList(),
			i,
		};
	}
}

[Benchmark]
[ArgumentsSource(nameof(EnumerableArguments))]
public void BatchCount(IEnumerable<int> source1, int N)
{
	_ = source1.Batch(20).Count();
}

[Benchmark]
[ArgumentsSource(nameof(EnumerableArguments))]
public void BatchCopyTo(IEnumerable<int> source1, int N)
{
	_ = source1.Batch(20).ToArray();
}

[Benchmark]
[ArgumentsSource(nameof(EnumerableArguments))]
public void BatchElementAt(IEnumerable<int> source1, int N)
{
	_ = source1.Batch(20).ElementAt(400);
}

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.04 🎉

Comparison is base (4caec0f) 88.24% compared to head (6269731) 88.28%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #435      +/-   ##
==========================================
+ Coverage   88.24%   88.28%   +0.04%     
==========================================
  Files         244      245       +1     
  Lines        7692     7719      +27     
  Branches     1771     1777       +6     
==========================================
+ Hits         6788     6815      +27     
  Misses        462      462              
  Partials      442      442              

Impacted Files	Coverage Δ
Source/SuperLinq/Batch.Buffered.cs	100.00% <100.00%> (ø)
Source/SuperLinq/Batch.cs	100.00% <100.00%> (ø)

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