error[E0616]: field `c_object` of struct `Item` is private --> $DIR/issue-25386.rs:19:16 | LL | (*$var.c_object).$member.is_some() | ^^^^^^^^ private field ... LL | println!("{}", check_ptr_exist!(item, name)); | ---------------------------- in this macro invocation | = note: this error originates in the macro `check_ptr_exist` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0616`.