Bar can spin now

Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "dimgup-cli"
+version = "0.1.0"

src/main.rs

@@ -1,3 +1,20 @@
-fn main() {
-    println!("Hello, world!");
+use std::io::Write;
+
+macro_rules! loop_try {
+    ($e:expr) => {
+        match $e {
+            Ok(v) => v,
+            Err(_) => continue,
+        }
+    };
+}
+
+fn main() {
+    let mut i = 0;
+    let chars = ['\\', '|', '/', '-'];
+    loop {
+        i += 1;
+        print!("{} \r", chars[i % chars.len()]);
+        loop_try!(std::io::stdout().flush());
+    }
 }