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SEDOLs: Difference between revisions
Add Rust implementation
Alextretyak (talk | contribs) (Added 11l) |
(Add Rust implementation) |
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1234567 #<ArgumentError: Invalid length>
00000A #<ArgumentError: No vowels>
</pre>
=={{header|Rust}}==
<lang rust>
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());
}
}
</lang>
{{out}}
<pre>
710889 SEDOL: "7108899"
B0YBKJ SEDOL: "B0YBKJ7"
406566 SEDOL: "4065663"
B0YBLH SEDOL: "B0YBLH2"
228276 SEDOL: "2282765"
B0YBKL SEDOL: "B0YBKL9"
557910 SEDOL: "5579107"
B0YBKR SEDOL: "B0YBKR5"
585284 SEDOL: "5852842"
B0YBKT SEDOL: "B0YBKT7"
B00030 SEDOL: "B000300"
</pre>
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