[fpc-devel] Question on constref

[Hairy Pixels]

> On Feb 1, 2023, at 8:16 PM, Adriaan van Os via fpc-devel <fpc-devel at lists.freepascal.org> wrote:
> 
> Because, if e.g. the byte-size of a parameter is such that it fits into a CPU register, then passing the parameter itself is more efficient than passing a reference to it. For large byte-size parameters, const and constref function the same. The difference is with small byte-size parameters.

Hmmm I was told otherwise by one of the compiler devs and that I should use constref if I want to guarantee it will not be copied. Maybe one of them can confirm this….

 I tried to use https://godbolt.org/ but my program doesn’t seem to be producing any output...

Regards,
Ryan Joseph