Pesquise em Dir Rust
use std::fs;
fn is_file(name: String) -> bool {
let paths = fs::read_dir("").unwrap();
for path in paths {
let dir_name = path.unwrap().path().into_os_string().into_string().unwrap();
if dir_name == name {
return true
}
}
return false
}
SnefDen