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27 lines
660 B
Rust
27 lines
660 B
Rust
use std::io::{self, BufReader, BufRead};
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use std::collections::HashSet;
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use std::path::Path;
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use std::fs::File;
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#[derive(Debug)]
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pub struct CommonWords(HashSet<String>);
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impl CommonWords {
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pub fn from_file<P>(path: P) -> io::Result<Self>
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where P: AsRef<Path>
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{
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let file = File::open(path)?;
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let file = BufReader::new(file);
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let mut set = HashSet::new();
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for line in file.lines().filter_map(|l| l.ok()) {
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let word = line.trim().to_owned();
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set.insert(word);
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}
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Ok(CommonWords(set))
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}
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pub fn contains(&self, word: &str) -> bool {
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self.0.contains(word)
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}
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}
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