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59 lines
1.6 KiB
59 lines
1.6 KiB
fn main() {
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println!();
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let mut str = ('a'..='z').collect::<String>();
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let bad = ('n'..='z').collect::<String>();
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let rng: Vec<_> = ('n'..='z').collect();
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let err: &[_] = &&rng;
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let sls = "";
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let st2 = "kkkwwwaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbmmmmmmmmmmmmmmmmmmmxyz";
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println!("{:?}\t{:?}\t{:?}\t{:?}",
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func(&str),
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&str.trim_matches(err),
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str.len(),
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sls
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);
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println!("\n{:?}\n{:?}\t{:?}:{:?}",
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st2,
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st2.chars().filter(|&c| err.contains(&c)).collect::<String>(),
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st2.chars().filter(|&c| "nopqrstuvwxyz".contains(c)).count(),
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st2.len()
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);
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println!("\n{:?}\n{:?}\t{:?}:{:?}",
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st2,
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st2.chars().filter(|&c| c > 'm').collect::<String>(),
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st2.chars().filter(|&c| c > 'm').count(),
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st2.len()
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);
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println!("\n{:?}\t{:?}",
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str,
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str.chars().filter(|&c| err.contains(&c)).collect::<String>(),
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);
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println!();
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}
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fn func(s: &str) -> String {
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s.into()
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}
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fn printer_error(s: &str) -> String {
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format!("{}/{}",
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s.chars().filter(|&c| "nopqrstuvwxyz".contains(c)).count(),
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s.len()
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)
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn should_pass_all_the_tests_provided() {
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assert_eq!(&printer_error("aaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbmmmmmmmmmmmmmmmmmmmxyz"), "3/56");
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assert_eq!(&printer_error("kkkwwwaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbmmmmmmmmmmmmmmmmmmmxyz"), "6/60");
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assert_eq!(&printer_error("kkkwwwaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbmmmmmmmmmmmmmmmmmmmxyzuuuuu"), "11/65");
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}
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}
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