Move mailbox to its own file

example.rs

@@ -2,7 +2,8 @@ extern crate imap;
 extern crate openssl;
 
 use openssl::ssl::{SslContext, SslMethod};
-use imap::client::{Client, Mailbox};
+use imap::client::Client;
+use imap::mailbox::Mailbox;
 
 fn main() {
 	let mut imap_socket = match Client::secure_connect(("imap.gmail.com", 993), SslContext::new(SslMethod::Sslv23).unwrap()) {

src/client.rs

@@ -3,6 +3,8 @@ use openssl::ssl::{SslContext, SslStream};
 use std::io::{Error, ErrorKind, Read, Result, Write};
 use regex::Regex;
 
+use super::mailbox::Mailbox;
+
 static TAG_PREFIX: &'static str = "a";
 const INITIAL_TAG: u32 = 0;
 
@@ -12,30 +14,6 @@ pub struct Client<T> {
 	tag: u32
 }
 
-pub struct Mailbox {
-	pub flags: String,
-	pub exists: u32,
-	pub recent: u32,
-	pub unseen: Option<u32>,
-	pub permanent_flags: Option<String>,
-	pub uid_next: Option<u32>,
-	pub uid_validity: Option<u32>
-}
-
-impl Default for Mailbox {
-	fn default() -> Mailbox {
-		Mailbox {
-			flags: "".to_string(),
-			exists: 0,
-			recent: 0,
-			unseen: None,
-			permanent_flags: None,
-			uid_next: None,
-			uid_validity: None
-		}
-	}
-}
-
 impl Client<TcpStream> {
 	/// Creates a new client.
 	pub fn connect<A: ToSocketAddrs>(addr: A) -> Result<Client<TcpStream>> {

src/lib.rs

@@ -7,6 +7,7 @@ extern crate openssl;
 extern crate regex;
 
 pub mod client;
+pub mod mailbox;
 
 #[cfg(test)]
 mod mock_stream;

src/mailbox.rs

@@ -0,0 +1,23 @@
+pub struct Mailbox {
+	pub flags: String,
+	pub exists: u32,
+	pub recent: u32,
+	pub unseen: Option<u32>,
+	pub permanent_flags: Option<String>,
+	pub uid_next: Option<u32>,
+	pub uid_validity: Option<u32>
+}
+
+impl Default for Mailbox {
+	fn default() -> Mailbox {
+		Mailbox {
+			flags: "".to_string(),
+			exists: 0,
+			recent: 0,
+			unseen: None,
+			permanent_flags: None,
+			uid_next: None,
+			uid_validity: None
+		}
+	}
+}