Rust implementation of 91_Train

91_Train/rust/src/main.rs

@@ -0,0 +1,41 @@
+use std::process;//allows for some better error handling
+
+mod lib; //allows access to lib.rs
+use lib::Config;
+
+/// main function
+/// responsibilities:
+/// - Calling the command line logic with the argument values
+/// - Setting up any other configuration
+/// - Calling a run function in lib.rs
+/// - Handling the error if run returns an error
+fn main() {
+    //greet user
+    welcome();
+
+    // set up other configuration
+    let mut config = Config::new().unwrap_or_else(|err| {
+        eprintln!("Problem configuring program: {}", err);
+        process::exit(1);
+    });
+
+    // run the program
+    if let Err(e) = lib::run(&mut config) {
+        eprintln!("Application Error: {}", e); //use the eprintln! macro to output to standard error
+        process::exit(1); //exit the program with an error code
+    }
+
+    //end of program
+    println!("THANKS FOR PLAYING!");
+}
+
+/// print the welcome message
+fn welcome() {
+    println!("
+                                Train
+              CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY
+
+
+TIME - SPEED DISTANCE EXERCISE
+    ");
+}