Complete exercise: idomatic

exercise/idiomatic/src/main.rs

@@ -8,16 +8,28 @@
 
 // Challenge: Clippy doesn't find *everything*. What else would you change to make this code better?
 
-const pi:f32=3.14159265358979323846;
-fn count_to_5()->i32{let mut foo =0;loop{if foo>pi as i32{if foo > 5{break;}}foo=foo+1;}return 5;}
-fn main() {
-println!("I can count to {}", count_to_5());
+use std::f32::consts::PI;
+
+fn count_to_5() -> i32 {
+    let mut count = 0;
+    loop {
+        if count > PI as i32 && count >= 5 {
+            break;
+        }
+        count += 1;
+    }
+    count
 }
+fn main() {
+    println!("I can count to {}", count_to_5());
+}
+
 #[cfg(test)]
 mod test {
-use super::*;
-#[test]
-fn test_counting() {
-assert_eq!(count_to_5() == 5, true);
-}
+    use super::*;
+
+    #[test]
+    fn test_counting() {
+        assert_eq!(count_to_5() == 5, true);
+    }
 }