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51 lines
984 B
51 lines
984 B
use std::error::Error;
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use std::fs;
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pub struct Config {
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pub query: String,
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pub file_path: String,
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}
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impl Config {
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pub fn build(args: &[String]) -> Result<Config, &'static str> {
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if args.len() < 3 {
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return Err("not enough arguments");
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}
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let query = args[1].clone();
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let file_path = args[2].clone();
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Ok(Config { query, file_path })
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}
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}
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pub fn run(config: Config) -> Result<(), Box<dyn Error>> {
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let contents = fs::read_to_string(config.file_path)?;
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Ok(())
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}
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// ANCHOR: here
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pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> {
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for line in contents.lines() {
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// do something with line
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}
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}
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// ANCHOR_END: here
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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 one_result() {
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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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assert_eq!(vec!["safe, fast, productive."], search(query, contents));
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}
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}
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