use std::fs; fn main() { let read_str_result = fs::read_to_string("solutions/24_file_io/SampleFilesFolder/SampleTextFile.txt"); match read_str_result { Ok(contents) => { assert_eq!("This is the file content.", contents); } Err(e) => { eprintln!("Error reading file: {}", e); assert!(false); } } }