Skip to content

fix(errorsn): Try harder to confine the user. #388

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
May 6, 2020
Merged

fix(errorsn): Try harder to confine the user. #388

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 8 additions & 2 deletions exercises/error_handling/errorsn.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,8 +2,10 @@
// This is a bigger error exercise than the previous ones!
// You can do it! :)
//
// Edit the `read_and_validate` function so that it compiles and
// passes the tests... so many things could go wrong!
// Edit the `read_and_validate` function ONLY. Don't create any Errors
// that do not already exist.
//
// So many things could go wrong!
//
// - Reading from stdin could produce an io::Error
// - Parsing the input could produce a num::ParseIntError
Expand All @@ -30,6 +32,10 @@ fn read_and_validate(b: &mut dyn io::BufRead) -> Result<PositiveNonzeroInteger,
answer
}

//
// Nothing below this needs to be modified
//

// This is a test helper function that turns a &str into a BufReader.
fn test_with_str(s: &str) -> Result<PositiveNonzeroInteger, Box<dyn error::Error>> {
let mut b = io::BufReader::new(s.as_bytes());
Expand Down