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use std::error::Error;
pub fn run(config:Config){
println!("lib run.");
}
pub struct Config<'a>{
query:&'a str,
filename:&'a str,
}
fn parse_config<'a>(args: &'a [String])->Config<'a>{
let query = &args[1];
let filename = &args[2];
println!("Searching for {}", query);
println!("In File {}", filename);
Config{query, filename}
}
impl<'a> Config<'a>{
pub fn new (args:&[String])->Result<Config, &'static str>{
if args.len() < 3{
return Err("需要搜索字符串和文件名参数。")
}
Ok(parse_config(args))
}
}
fn search<'a>(query:&str,contents:&'a str)
->Vec<&'a str>{
vec![]
}
#[cfg(test)]
mod tests{
use super::*;
#[test]
fn one(){
let query="duct";
let contents = "\
rust:
safe, fase, productive.
pick three.";
assert!(vec!["safe,fase,productive."]
== search(query,contents));
}
}