feat(329): completed challenge 1 in rust

1 files changed, 22 insertions, 0 deletions

diff --git a/challenge-329/benjamin-andre/rust/ch-1.rs b/challenge-329/benjamin-andre/rust/ch-1.rs
new file mode 100755
index 0000000000..4c069e3b8b
--- /dev/null
+++ b/challenge-329/benjamin-andre/rust/ch-1.rs
@@ -0,0 +1,22 @@
+#!/bin/sh
+//usr/bin/env rustc --test $0 -o kachow && ./kachow --nocapture; rm -f kachow ; exit
+
+use std::collections::HashSet;
+
+fn counter_integer(s: &str) -> Vec<i32> {
+    let mut res: Vec<i32> = s
+        .split(|c: char| !c.is_ascii_digit())
+        .filter_map(|num_str| num_str.parse().ok())
+        .collect::<HashSet<_>>()
+        .into_iter()
+        .collect();
+    res.sort();
+    res
+}
+
+#[test]
+fn example() {
+    assert_eq!(counter_integer("the1weekly2challenge2"), vec![1, 2]);
+    assert_eq!(counter_integer("go21od1lu5c7k"), vec![1, 5, 7, 21]);
+    assert_eq!(counter_integer("4p3e2r1l"), vec![1, 2, 3, 4]);
+}