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| author | Adam Brewer <adamhb321@gmail.com> | 2023-10-16 07:37:12 -0400 |
|---|---|---|
| committer | Adam Brewer <adamhb321@gmail.com> | 2023-10-16 07:37:12 -0400 |
| commit | 64d95837e9813541cf5b357de13865ce687ae98d (patch) | |
| tree | f022c5d5ba01128811c0b77618a7adb843ee876b /exercises/error_handling/errors1.rs | |
| parent | c3941323e2c0b9ee286494327de92e00f23b9e3a (diff) | |
Update Exercises Directory Names to Reflect Order
Diffstat (limited to 'exercises/error_handling/errors1.rs')
| -rw-r--r-- | exercises/error_handling/errors1.rs | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/exercises/error_handling/errors1.rs b/exercises/error_handling/errors1.rs deleted file mode 100644 index 0ba59a5..0000000 --- a/exercises/error_handling/errors1.rs +++ /dev/null @@ -1,43 +0,0 @@ -// errors1.rs -// -// This function refuses to generate text to be printed on a nametag if you pass -// it an empty string. It'd be nicer if it explained what the problem was, -// instead of just sometimes returning `None`. Thankfully, Rust has a similar -// construct to `Option` that can be used to express error conditions. Let's use -// it! -// -// Execute `rustlings hint errors1` or use the `hint` watch subcommand for a -// hint. - -// I AM NOT DONE - -pub fn generate_nametag_text(name: String) -> Option<String> { - if name.is_empty() { - // Empty names aren't allowed. - None - } else { - Some(format!("Hi! My name is {}", name)) - } -} - -#[cfg(test)] -mod tests { - use super::*; - - #[test] - fn generates_nametag_text_for_a_nonempty_name() { - assert_eq!( - generate_nametag_text("Beyoncé".into()), - Ok("Hi! My name is Beyoncé".into()) - ); - } - - #[test] - fn explains_why_generating_nametag_text_fails() { - assert_eq!( - generate_nametag_text("".into()), - // Don't change this line - Err("`name` was empty; it must be nonempty.".into()) - ); - } -} |
