main.rs

extern crate ncurses;

use std::fs::{self, ReadDir};
use std::path::Path;
use std::char;
use ncurses::*;

fn print_entries(dir: std::fs::ReadDir) {
  for entry in dir {
    match entry {
      Ok(e) => {
        let path = e.path();
        let file_name = path.file_name();
        attron(A_BOLD() | A_BLINK());

        match file_name {
          Some(f) => {
            let string = f.to_str();
            match string {
              Some(s) => {
                printw(format!("\n{}", s));
              },
              None => {
              }
            }
          },
          None => {
            printw("Ouch!");
          }
        }

        attroff(A_BOLD() | A_BLINK());
      },
      Err(e) => println!("Error: {}", e)
    }
  }
}

fn main() {
  let path = Path::new("/home/enrico/Downloads");
  let dir = fs::read_dir(&path);

  /* Setup ncurses. */
  initscr();
  raw();

  /* Allow for extended keyboard (like F1). */
  keypad(stdscr, true);
  noecho();

  /* Prompt for a character. */
  printw("Enter a character: ");

  match dir {
    Ok(d) => print_entries(d),
    Err(e) => println!("Error: {}", e)
  }

  /* Refresh, showing the previous message. */
  refresh();

  /* Wait for one more character before exiting. */
  getch();
  endwin();
}

src/main.rs:21:24: 21:43 error: mismatched types:
 expected `&str`,
    found `collections::string::String`
(expected &-ptr,
    found struct `collections::string::String`) [E0308]
src/main.rs:21                 printw(format!("\n{}", s));
                                      ^~~~~~~~~~~~~~~~~~~