Very small improvements

[simo026q]

No description provided.

[github-actions]

Benchmark Results

BenchmarkDotNet v0.14.0, Ubuntu 24.04.2 LTS (Noble Numbat)
AMD EPYC 7763, 1 CPU, 4 logical and 2 physical cores
.NET SDK 9.0.300
  [Host]     : .NET 9.0.5 (9.0.525.21509), X64 RyuJIT AVX2
  DefaultJob : .NET 9.0.5 (9.0.525.21509), X64 RyuJIT AVX2

Method	Query	Mean	Error	StdDev	Allocated
ParseFirst	-a,b	16.01 ns	0.311 ns	0.291 ns	24 B
ParseFirst	a	17.34 ns	0.271 ns	0.254 ns	24 B
ParseFirst	a,b,-c,d,-e,-f,g	16.01 ns	0.224 ns	0.209 ns	24 B

BenchmarkDotNet v0.14.0, Ubuntu 24.04.2 LTS (Noble Numbat)
AMD EPYC 7763, 1 CPU, 4 logical and 2 physical cores
.NET SDK 9.0.300
  [Host]     : .NET 9.0.5 (9.0.525.21509), X64 RyuJIT AVX2
  DefaultJob : .NET 9.0.5 (9.0.525.21509), X64 RyuJIT AVX2

Method	Mean	Error	StdDev	Ratio	RatioSD	Allocated	Alloc Ratio
Default	469.3 μs	9.14 μs	11.23 μs	0.99	0.03	16.78 KB	0.95
Compiled	470.4 μs	9.08 μs	8.92 μs	1.00	0.03	16.66 KB	0.94
Linq	472.0 μs	9.37 μs	11.15 μs	1.00	0.03	17.67 KB	1.00