<haobogu[m]> "And it doesn't work for `const..." <- > <@haobogu:matrix.org> And it doesn't work for `const fn`? The following code doesn't work:
> ```rust
> // In library:
> #[linkage = "weak"]
> #[no_mangle]
> const fn get_size() -> usize {
>     32
> }
> pub(crate) const EVENT_CHANNEL_SIZE: usize = get_size();
> 
> // In User Space
> #[no_mangle]
> const fn get_size() -> usize {
>     16
> }
> ```

const fns are evaluated at compile time by the compiler, so linker attributes probably just don't have any effect at all. Maybe you can check that with https://godbolt.org/ ?