Add more traits (#25)

src/traits.rs

@@ -15,5 +15,32 @@ pub(crate) fn run(n: u64) -> Result {
     println!("odd");
   }
 
+  let pi = std::f64::consts::PI.to_string().replace('.', "");
+  let s = n.to_string();
+  if s == pi[..s.len()] {
+    println!("pi");
+  }
+
+  if s.replace("69", "") == "" {
+    println!("nice");
+  }
+
+  if s.replace("7", "") == "" {
+    println!("angelic");
+  }
+
+  let mut name = String::new();
+  let mut remainder = n;
+  while remainder > 0 {
+    name.push(
+      "abcdefghijklmnopqrstuvwxyz"
+        .chars()
+        .nth(((remainder - 1) % 26) as usize)
+        .unwrap(),
+    );
+    remainder = (remainder - 1) / 26;
+  }
+  println!("name:{}", name.chars().rev().collect::<String>());
+
   Ok(())
 }

tests/traits.rs

@@ -42,3 +42,42 @@ fn odd() -> Result {
   assert!(!traits(2)?.contains("odd"));
   Ok(())
 }
+
+#[test]
+fn pi() -> Result {
+  assert!(!traits(0)?.contains("pi"));
+  assert!(traits(3)?.contains("pi"));
+  assert!(traits(31)?.contains("pi"));
+  assert!(traits(314)?.contains("pi"));
+  assert!(!traits(3145)?.contains("pi"));
+  Ok(())
+}
+
+#[test]
+fn nice() -> Result {
+  assert!(!traits(0)?.contains("nice"));
+  assert!(traits(69)?.contains("nice"));
+  assert!(traits(6969)?.contains("nice"));
+  assert!(traits(696969)?.contains("nice"));
+  assert!(!traits(696968)?.contains("nice"));
+  Ok(())
+}
+
+#[test]
+fn divine() -> Result {
+  assert!(!traits(0)?.contains("angelic"));
+  assert!(traits(7)?.contains("angelic"));
+  assert!(traits(77)?.contains("angelic"));
+  assert!(traits(777)?.contains("angelic"));
+  assert!(!traits(778)?.contains("angelic"));
+  Ok(())
+}
+
+#[test]
+fn name() -> Result {
+  assert!(traits(0)?.contains("name:"));
+  assert!(traits(1)?.contains("name:a"));
+  assert!(traits(26)?.contains("name:z"));
+  assert!(traits(27)?.contains("name:aa"));
+  Ok(())
+}