created react app but not actually started doing anything nice

bfi-rust/src/main.rs

@@ -1,37 +1,37 @@
-mod interpreter;
-mod repl;
-
-use std::{env, fs};
-use std::time::SystemTime;
-use crate::repl::start_repl;
-use crate::interpreter::optimized::{PrintMode};
-use std::error::Error;
-
-
-fn main() {
-    let path = env::args().nth(1);
-
-    match path {
-        Some(p) => {
-            if let Err(why) = run_program(p) {
-                eprintln!("An error occurred in the program: {}", why)
-            }
-        },
-        None => start_repl()
-    };
-}
-
-fn run_program(path: String) -> Result<(), Box<dyn Error>> {
-    let program = match fs::read_to_string(path) {
-        Ok(p) => p,
-        Err(e) => {
-            println!("Error reading file: {}", e);
-            return Err(Box::from(e));
-        }
-    };
-    let start_time = SystemTime::now();
-    let out = interpreter::optimized::run(&*program, PrintMode::DirectPrint)?;
-    let duration = start_time.elapsed()?;
-    println!("{}\nFinished execution. Took {}ms", out, duration.as_millis());
-    Ok(())
+mod interpreter;
+mod repl;
+
+use std::{env, fs};
+use std::time::SystemTime;
+use crate::repl::start_repl;
+use crate::interpreter::optimized::{PrintMode};
+use std::error::Error;
+
+
+fn main() {
+    let path = env::args().nth(1);
+
+    match path {
+        Some(p) => {
+            if let Err(why) = run_program(p) {
+                eprintln!("An error occurred in the program: {}", why)
+            }
+        },
+        None => start_repl()
+    };
+}
+
+fn run_program(path: String) -> Result<(), Box<dyn Error>> {
+    let program = match fs::read_to_string(path) {
+        Ok(p) => p,
+        Err(e) => {
+            println!("Error reading file: {}", e);
+            return Err(Box::from(e));
+        }
+    };
+    let start_time = SystemTime::now();
+    let out = interpreter::optimized::run(&*program, PrintMode::DirectPrint)?;
+    let duration = start_time.elapsed()?;
+    println!("{}\nFinished execution. Took {}ms", out, duration.as_millis());
+    Ok(())
 }