Data commit

Task/Delete-a-file/Rust/delete-a-file.rust

@@ -0,0 +1,25 @@
+use std::io::{self, Write};
+use std::fs::{remove_file,remove_dir};
+use std::path::Path;
+use std::{process,display};
+
+const FILE_NAME: &'static str = "output.txt";
+const DIR_NAME : &'static str = "docs";
+
+fn main() {
+    delete(".").and(delete("/"))
+               .unwrap_or_else(|e| error_handler(e,1));
+}
+
+
+fn delete<P>(root: P) -> io::Result<()>
+    where P: AsRef<Path>
+{
+    remove_file(root.as_ref().join(FILE_NAME))
+        .and(remove_dir(root.as_ref().join(DIR_NAME)))
+}
+
+fn error_handler<E: fmt::Display>(error: E, code: i32) -> ! {
+    let _ = writeln!(&mut io::stderr(), "{:?}", error);
+    process::exit(code)
+}