Add files via upload

main.rs

@@ -1,2 +1,35 @@
-
-
+use std::io;
+use std::io::Read;
+use std::fs::File;
+
+
+fn main() {
+       let value = 64; 
+       let read_value = &64;
+
+       fn read_value(value:i32) -> Result<i32, io::Error>{
+              let value:i32 = match value.trim().parse() {
+                     Ok(value > 1 || value < 100) => Appropriate   
+                     Err(value < 1 || value > 100) => panic!("Guess value must be between 1 and 100")
+              };
+
+       }
+
+}
+
+fn  read_username_from () -> Result<String, io::Error> {
+       let f = File::open("hello.txt"); 
+
+       let mut f = match f {
+              Ok(file) => file, 
+              Err(e) => return Err(e), 
+
+       };
+       let mut s = String::new(); 
+       match f.read_to_string(&mut s) {
+              Ok(_) => Ok(s), 
+              Err(e)=> Err(e), 
+       }
+
+
+}