tests/expectations/tests/derive-debug-opaque-template-instantiation.rs

#![allow(
    dead_code,
    non_snake_case,
    non_camel_case_types,
    non_upper_case_globals
)]

#[repr(C)]
pub struct Instance {
    pub val: [u32; 50usize],
}
#[test]
fn bindgen_test_layout_Instance() {
    assert_eq!(
        ::std::mem::size_of::<Instance>(),
        200usize,
        concat!("Size of: ", stringify!(Instance))
    );
    assert_eq!(
        ::std::mem::align_of::<Instance>(),
        4usize,
        concat!("Alignment of ", stringify!(Instance))
    );
    assert_eq!(
        {
            let struct_instance = unsafe { std::mem::zeroed::<Instance>() };
            let struct_ptr = &struct_instance as *const Instance;
            let field_ptr = std::ptr::addr_of!(struct_instance.val);
            let struct_address = struct_ptr as usize;
            let field_address = field_ptr as usize;
            std::mem::forget(struct_instance);
            field_address.checked_sub(struct_address).unwrap()
        },
        0usize,
        concat!(
            "Offset of field: ",
            stringify!(Instance),
            "::",
            stringify!(val)
        )
    );
}
impl Default for Instance {
    fn default() -> Self {
        let mut s = ::std::mem::MaybeUninit::<Self>::uninit();
        unsafe {
            ::std::ptr::write_bytes(s.as_mut_ptr(), 0, 1);
            s.assume_init()
        }
    }
}
impl ::std::fmt::Debug for Instance {
    fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
        write!(f, "Instance {{ val: opaque }}")
    }
}