Method qualify

crates/cpp/src/lib.rs:837–865

(&mut self, target: &[String])

    }

    fn qualify(&mut self, target: &[String]) {
        let mut same = 0;
        // itertools::fold_while?
        for (a, b) in self.namespace.iter().zip(target.iter()) {
            if a == b {
                same += 1;
            } else {
                break;
            }
        }
        if same == 0 && !target.is_empty() {
            // if the root namespace exists below the current namespace we need to start at root
            // Also ensure absolute qualification when crossing from exports to imports
            if self.namespace.contains(target.first().unwrap())
                || (self.namespace.first().map(|s| s.as_str()) == Some("exports")
                    && target.first().map(|s| s.as_str()) != Some("exports"))
            {
                self.src.push_str("::");
            }
        }
        if same == target.len() && self.namespace.len() != target.len() && same > 0 {
            // namespace is parent, qualify at least one namespace (and cross fingers)
            uwrite!(self.src, "{}::", target[same - 1]);
        } else {
            for i in target.iter().skip(same) {
                uwrite!(self.src, "{i}::");
            }
        }
    }
}

struct CppInterfaceGenerator<'a> {