C# ReadOnlySpan lt;char gt; vs Substring for string dissection I have a fairly simple string extension method that gets called very frequently in a system I have that is doing a lot of string manipulations I read this post (String Substring() seems to bottlen
io - c# byte [] asspan equivalent? - Stack Overflow As you suspected, the other version of Stream Write would do the trick offset The zero-based byte offset in buffer at which to begin copying bytes to the current stream