update

temperature_converter/rust_version/src/main.rs

@@ -1,13 +1,54 @@
+
 /* --------------------------------------------- 100 -------------------------------------------- */
 
-fn tempconvert(temp :Float) {
-  
+use std::io::stdin;
+
+fn tempconvert(temp:u32, unit:String) -> (u32, String) {
+  if unit == "F" {
+    return (temp - 257, "C".to_string());
+  }
+  else if unit == "F" {
+    return (temp + 257, "F".to_string());  
+  }
+  else {
+    panic!("something wrong. {unit}")
+  }
 }
 
-
-
 fn main() {
-    println!("Hello, world!");
+  println!("please input temperature unit F or C");
+  let mut user_input_tempunit = String::new();
+  match stdin().read_line(&mut user_input_tempunit) {
+    Ok(_) => {},
+    Err(_) => {
+      println!("something not right")
+    }
+  };
+
+  let user_input_tempunit = user_input_tempunit.trim().to_string();
+
+  println!("please input temperature");
+  let mut _user_input_temp = String::new();
+  match stdin().read_line(&mut _user_input_temp) {
+    Ok(_) => {},
+    Err(_) => {
+      panic!("Something went wrong");
+    }
+  };
+
+  let user_input_temp:u32 = match _user_input_temp.trim().parse::<u32>() {
+    Ok(num) => {num},
+    Err(_) => {
+      panic!("Something went wrong");
+    }
+  };
+
+  let converted_temp = tempconvert(user_input_temp, user_input_tempunit);
+  let ctemp = converted_temp.0;
+  let cunit = converted_temp.1;
+  
+  println!("{ctemp} {cunit}");
+
 }