The effect of ref

[Adam D. Ruppe]

On Friday, 22 November 2019 at 03:42:26 UTC, dokutoku wrote:
> Is there a difference in the execution speed and stability when 
> executing the program by rewriting the parameter of the 
> function argument like this?

the generated code the processor sees is generally identical, but 
the `ref` version is potentially better because then X cannot 
possibly be `null` which can help you write better code and might 
help the optimizer too.