First hint of raw mode

src/main.rs

@@ -1,14 +1,30 @@
-// use nix::sys::termios;
+use nix::Error as NixError;
+use nix::sys::termios;
+use nix::sys::termios::Termios;
 // use nix::unistd;
 use std::io;
 use std::io::{BufReader, Error};
 use std::io::prelude::*;
 
-// fn enable_raw_mode() {
+// For future reference
-//
+// STDIN_FILENO = 0
-// }
+// STDOUT_FILENO = 1
+// STDERR_FILENO = 2
+
+fn enable_raw_mode() -> Result<(), Error> {
+    let raw: Result<Termios, NixError> = termios::tcgetattr(0);
+    let mut raw = raw.unwrap();
+    raw.local_flags.remove(termios::LocalFlags::ECHO);
+
+    match termios::tcsetattr(0, termios::SetArg::TCSAFLUSH, &raw) {
+        Ok(()) => Ok(()),
+        _ => panic!("Failed to set raw mode"),
+    }
+}
 
 fn main() -> Result<(), Error> {
+    enable_raw_mode()?;
+
     loop {
         let stdin = io::stdin();
         let mut in_str = String::new();
@@ -22,4 +38,6 @@ fn main() -> Result<(), Error> {
             return Ok(());
         }
     }
+
+    Ok(())
 }