Using spans, structs, object and array pools is considered fairly idiomatic C# if you care about performance (and many methods now default to just spans even ou

Using spans, structs, object and array pools is considered fairly idiomatic C# if you care about performance (and many methods now default to just spans even outside that). What kind of idiomatic or unidiomatic C# do you have in mind? I’d say if you are okay with GC side effects, achieving good performance targets is way easier than if you care about P99/999.