Simplify input getting

src/config/maker.rs

@@ -102,9 +102,9 @@ pub fn init(filepath: &String, arguments: &Vec<String>) -> bool {
     // Get information from user
     let user_input = match io::input::read_items(
         vec![
-            vec!["SMTP server hostname", ""],
-            vec!["Your username", ""],
-            vec!["Your password", "pass"]
+            io::input::InputItem::Normal("SMTP server hostname"),
+            io::input::InputItem::Normal("Your username"),
+            io::input::InputItem::Hidden("Your password"),
         ]
     ) {
         Some(value) => value,

src/io/input.rs

@@ -1,29 +1,41 @@
 extern crate rpassword;
-
+
+
 use rpassword::read_password;
 use std::io::{stdin, stdout, Write};
 
-pub fn read_items(prompts: Vec<Vec<&str>>) -> Option<Vec<String>> {
+
+/**
+Input item for command line inputs with prompts.
+*/
+pub enum InputItem {
+    Normal(&'static str),
+    Hidden(&'static str),
+}
+
+
+/**
+Read specified items to the command line.
+*/
+pub fn read_items(prompts: Vec<InputItem>) -> Option<Vec<String>> {
     let mut result = Vec::new();
-    for prompt in prompts {
-        let mut line = String::new();
 
-        if prompt[1] == "pass" {
-            print!("{} (will be hidden): ", prompt[0]);
-            stdout().flush().unwrap();
+    for current_input in prompts {
+        let mut line = String::new();
 
-            line = read_password().unwrap();
-        } else {
-            print!("{}: ", prompt[0]);
-            stdout().flush().unwrap();
+        print!("{}: ", match current_input {
+            InputItem::Normal(value) => value,
+            InputItem::Hidden(value) => value,
+        });
+        stdout().flush().unwrap();
 
-            match stdin().read_line(&mut line) {
-                Ok(_) => {},
-                Err(_) => return None,
-            };
-        }
+        match current_input {
+            InputItem::Normal(_) => { let _ = stdin().read_line(&mut line).ok()?; },
+            InputItem::Hidden(_) => line = read_password().ok()?,
+        };
 
         result.push(line);
     }
+
     return Some(result);
 }