Function extern_spec_Formatter_debug_tuple_fields_finish 

pub fn extern_spec_Formatter_debug_tuple_fields_finish<'a, 'b>(
    self_: &'b mut Formatter<'a>,
    name: &str,
    values: &[&dyn Debug],
) -> Result

extern spec for Formatter<'a>::debug_tuple_fields_finish

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