19 lines
484 B
Plaintext
19 lines
484 B
Plaintext
fn quibble(seq: &[&str]) -> String {
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match seq.len() {
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0 => "{}".to_string(),
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1 => format!("{{{}}}", seq[0]),
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_ => {
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format!("{{{} and {}}}",
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seq[..seq.len() - 1].join(", "),
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seq.last().unwrap())
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}
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}
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}
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fn main() {
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println!("{}", quibble(&[]));
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println!("{}", quibble(&["ABC"]));
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println!("{}", quibble(&["ABC", "DEF"]));
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println!("{}", quibble(&["ABC", "DEF", "G", "H"]));
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}
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