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60 lines
1.1 KiB
60 lines
1.1 KiB
4 years ago
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pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> {
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let mut results = Vec::new();
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for line in contents.lines() {
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if line.contains(query) {
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results.push(line);
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}
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}
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results
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}
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pub fn search_case_insensitive<'a>(
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query: &str,
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contents: &'a str,
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) -> Vec<&'a str> {
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let query = query.to_lowercase();
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let mut results = Vec::new();
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for line in contents.lines() {
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if line.to_lowercase().contains(&query) {
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results.push(line);
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}
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}
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results
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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 case_sensitive() {
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let query = "duct";
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let contents = "\
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Rust:
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safe, fast, productive.
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Pick three.
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Duct tape.";
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assert_eq!(vec!["safe, fast, productive."], search(query, contents));
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}
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#[test]
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fn case_insensitive() {
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let query = "rUsT";
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let contents = "\
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Rust:
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safe, fast, productive.
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Pick three.
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Trust me.";
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assert_eq!(
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vec!["Rust:", "Trust me."],
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search_case_insensitive(query, contents)
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);
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}
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}
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