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lee e170a345d0 quest-04: readme and tests 4 years ago
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README.md quest-04: readme and tests 4 years ago

README.md

panic

Instructions

Write a function that tries to open a file and panics if the file doesn't exist

Expected Function

pub fn open_file(s: &str) -> File {}

Usage

Here is a program to test your function

fn main() {
    let filename = "created.txt";
    File::create(filename).unwrap();
    let a = open_file(filename);
    println!("{:?}", a);
    fs::remove_file(filename).unwrap();
}

And its output:

student@ubuntu:~/[[ROOT]]/test$ cargo run
File { fd: 3, path: "[[ROOT]]/a.txt", read: true, write: false }
student@ubuntu:~/[[ROOT]]/test$