Walk directories up

Find file by walking up the directory tree.

How to use

use walkup::walk_up;
// parameters are start directory, file name
let res = walk_up ( "/usr/src/usr.bin/aucat/", "Makefile.inc" );
if let Some(path) = res {
   println!("Makefile.inc found at {}", path.display());
}

License

This is free and unencumbered software released into the public domain.

This code can be used under terms of CC0 or the Unlicense.