Function stdbench::ensure_parent_exists

pub fn ensure_parent_exists(path: &Path) -> Result<(), Error>

If the parent directory of path does not exist, create it.

Examples

assert_eq!(
    ensure_parent_exists(Path::new("/")),
    Err(Error::from("cannot access parent of path: /"))
);

let tmp = TempDir::new("parent_exists").unwrap();
let parent = tmp.path().join("parent");
let child = parent.join("child");
assert!(ensure_parent_exists(child.as_path()).is_ok());
assert!(parent.exists());