Function path_parent

atomic-core/src/output/memory.rs:694–700

Get the parent path of a file path. Returns `None` if the path has no parent (is a top-level file).

(path: &str)

///
/// Returns `None` if the path has no parent (is a top-level file).
fn path_parent(path: &str) -> Option<String> {
    let path = path.trim_end_matches('/');
    match path.rfind('/') {
        Some(pos) if pos > 0 => Some(path[..pos].to_string()),
        _ => None,
    }
}

// TESTS