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pub fn line_to_words(line: &str) -> Vec<String> {
line.split('|')
.map(|w| w.trim().to_string())
.filter(|w| !w.is_empty())
.collect()
}
pub fn words_to_line(words: &[String]) -> String {
words.join(" | ")
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_line_to_words() {
assert_eq!(line_to_words("a"), vec!("a"));
assert_eq!(line_to_words("a | b | c"), vec!("a", "b", "c"));
}
#[test]
fn test_words_to_line() {
assert_eq!(words_to_line(&["a".to_string()]), "a");
assert_eq!(words_to_line(&["a".to_string(), "b".to_string(), "c".to_string()]), "a | b | c");
}
}
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