65 lines
1.9 KiB
Rust
65 lines
1.9 KiB
Rust
// TODO: based on what we just learned about ownership, it sounds like immutable references
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// are a good fit for our accessor methods.
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// Change the existing implementation of `Ticket`'s accessor methods to take a reference
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// to `self` as an argument, rather than taking ownership of it.
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pub struct Ticket {
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title: String,
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description: String,
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status: String,
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}
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impl Ticket {
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pub fn new(title: String, description: String, status: String) -> Ticket {
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if title.is_empty() {
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panic!("Title cannot be empty");
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}
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if title.len() > 50 {
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panic!("Title cannot be longer than 50 bytes");
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}
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if description.is_empty() {
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panic!("Description cannot be empty");
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}
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if description.len() > 500 {
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panic!("Description cannot be longer than 500 bytes");
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}
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if status != "To-Do" && status != "In Progress" && status != "Done" {
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panic!("Only `To-Do`, `In Progress`, and `Done` statuses are allowed");
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}
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Ticket {
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title,
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description,
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status,
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}
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}
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pub fn title(&self) -> String {
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self.title.clone()
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}
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pub fn description(&self) -> String {
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self.description.clone()
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}
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pub fn status(&self) -> String {
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self.status.clone()
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}
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}
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#[cfg(test)]
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mod tests {
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use super::Ticket;
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#[test]
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fn works() {
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let ticket = Ticket::new("A title".into(), "A description".into(), "To-Do".into());
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// If you change the signatures as requested, this should compile:
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// we can call these methods one after the other because they borrow `self`
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// rather than taking ownership of it.
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assert_eq!(ticket.title(), "A title");
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assert_eq!(ticket.description(), "A description");
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assert_eq!(ticket.status(), "To-Do");
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}
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}
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