Data commit

Task/SEDOLs/Rust/sedols.rust

@@ -0,0 +1,45 @@
+fn sedol(input: &str) -> Option<String> {
+    let weights = vec![1, 3, 1, 7, 3, 9, 1];
+    let valid_chars = "0123456789BCDFGHJKLMNPQRSTVWXYZ";
+
+    if input.len() != 6 {
+        return None;
+    }
+
+    // could be done by regex if needed
+    for c in input.chars() {
+        if !valid_chars.contains(c) {
+            return None;
+        }
+    }
+
+    let mut result: u32 = input
+        .chars()
+        .map(|c| {
+            if c.is_digit(10) {
+                c as u32 - 48
+            } else {
+                c as u32 - 55
+            }
+        })
+        .zip(weights)
+        .map(|(cnum, w)| w * cnum)
+        .collect::<Vec<u32>>()
+        .iter()
+        .sum();
+
+    result = (10 - result % 10) % 10;
+
+    Some(input.to_owned() + &result.to_string())
+}
+
+fn main() {
+    let inputs = vec![
+        "710889", "B0YBKJ", "406566", "B0YBLH", "228276", "B0YBKL", "557910", "B0YBKR", "585284",
+        "B0YBKT", "B00030",
+    ];
+
+    for input in inputs {
+        println!("{} SEDOL: {:?}", &input, sedol(&input).unwrap());
+    }
+}