1use std::fs;
2
3#[allow(clippy::len_without_is_empty)]
4pub trait Metadata {
5 fn len(&self) -> u64;
6 fn is_dir(&self) -> bool;
7}
8
9impl Metadata for fs::Metadata {
10 fn len(&self) -> u64 {
11 self.len()
12 }
13 fn is_dir(&self) -> bool {
14 self.is_dir()
15 }
16}
17
18#[cfg(test)]
19mod test {
20 use std::fs;
21
22 use crate::Metadata;
23
24 #[test]
25 fn test() {
26 let m = fs::metadata("Cargo.toml").unwrap();
27 assert_ne!(Metadata::len(&m), 0);
28 assert_eq!(Metadata::is_dir(&m), false);
29 }
30}