Merge pull request #2 from rniczh/master

Wrapping the questions into json file.

Author: lili668668

Cargo.lock

@@ -6,3 +6,5 @@ edition = "2018"
 
 [dependencies]
 termion = "*"
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"

Cargo.toml

@@ -1,48 +1,22 @@
 extern crate termion;
 
 use std::io;
+use std::fs::File;
 use termion::{color, style};
+use serde::{Serialize, Deserialize};
 
+
+#[derive(Debug, Serialize, Deserialize)]
 struct Subject {
     question: String,
     answer: String
 }
 
 fn main() {
-    let subjects = vec![
-        Subject {
-            question: String::from("Rust 1.0 在哪一年釋出？"),
-            answer: String::from("2015年")
-        },
-        Subject {
-            question: String::from("Rust.tw 的聚會時間在什麼時候？"),
-            answer: String::from("每個月的最後一個星期六晚上七點半")
-        },
-        Subject {
-            question: String::from("以 Rust 開發的瀏覽器引擎叫什麼名字？"),
-            answer: String::from("Servo")
-        },
-        Subject {
-            question: String::from("2016年stackoverflow most loved language 是？"),
-            answer: String::from("Rust")
-        },
-        Subject {
-            question: String::from("2017年stackoverflow most loved language 是？"),
-            answer: String::from("Rust")
-        },
-        Subject {
-            question: String::from("2018年stackoverflow most loved language 是？"),
-            answer: String::from("Rust")
-        },
-        Subject {
-            question: String::from("2019年stackoverflow most loved language 是？"),
-            answer: String::from("Rust")
-        },
-        Subject {
-            question: String::from("為了安全性，Rust不支援哪種OOP語法？"),
-            answer: String::from("inheritance")
-        },
-    ];
+
+    let questions_file = File::open("src/question.json").expect("Failed to reading file: question.json.");
+    let subjects: Vec<Subject> = serde_json::from_reader(questions_file).unwrap();
+
     let mut count = 0;
     let length = subjects.len();
     for subject in &subjects {

src/main.rs

@@ -0,0 +1,42 @@
+[
+    {
+        "question": "Rust 1.0 在哪一年釋出？",
+        "answer": "2015年"
+    },
+
+    {
+        "question": "Rust.tw 的聚會時間在什麼時候？",
+        "answer": "每個月的最後一個星期六晚上七點半"
+    },
+
+    {
+        "question": "以 Rust 開發的瀏覽器引擎叫什麼名字？",
+        "answer": "Servo"
+    },
+
+    {
+        "question": "2016年stackoverflow most loved language 是？",
+        "answer": "Rust"
+    },
+
+    {
+        "question": "2017年stackoverflow most loved language 是？",
+        "answer": "Rust"
+    },
+
+    {
+        "question": "2018年stackoverflow most loved language 是？",
+        "answer": "Rust"
+    },
+
+    {
+        "question": "2019年stackoverflow most loved language 是？",
+        "answer": "Rust"
+    },
+
+    {
+        "question": "為了安全性，Rust不支援哪種OOP語法？",
+        "answer": "inheritance"
+    }
+
+]