Function search 

pub fn search<'a>(
    query: &str,
    contents: &'a str,
) -> impl Iterator<Item = &'a str>

Searches for lines containing the query string in the provided text.

This function performs a case-sensitive search.

Arguments

• query: The substring to look for.
• contents: The text to search within.

Returns

An iterator over lines that contain the query.

Examples

use minigrep_cli_tool::search;

let query = "safe";
let contents = "Rust is safe.\nFast.\nProductive.";

let results: Vec<&str> = search(query, contents).collect();
assert_eq!(results, vec!["Rust is safe."]);