Function extern_spec_BitOr__ref_usize_usize_bitor 

pub fn extern_spec_BitOr__ref_usize_usize_bitor(
    self_: usize,
    rhs: &usize,
) -> usize

extern spec for usize::bitor

This is not a real function: its only use is for documentation.

ghost

ensures

result == self $op *rhs