TicketManagement/Lifetimes/Task/src/lib.rs

use ticket_fields::{TicketDescription, TicketTitle};

// TODO: Implement the `IntoIterator` trait for `&TicketStore` so that the test compiles and passes.
#[derive(Clone)]
pub struct TicketStore {
    tickets: Vec<Ticket>,
}

#[derive(Clone, Debug, PartialEq)]
pub struct Ticket {
    pub title: TicketTitle,
    pub description: TicketDescription,
    pub status: Status,
}

#[derive(Clone, Debug, Copy, PartialEq)]
pub enum Status {
    ToDo,
    InProgress,
    Done,
}

impl TicketStore {
    pub fn new() -> Self {
        Self {
            tickets: Vec::new(),
        }
    }

    pub fn add_ticket(&mut self, ticket: Ticket) {
        self.tickets.push(ticket);
    }

    pub fn iter(&self) -> std::slice::Iter<Ticket> {
        self.tickets.iter()
    }
}

impl<'a> IntoIterator for &'a TicketStore {
    type Item = &'a Ticket;
    type IntoIter = std::slice::Iter<'a, Ticket>;

    fn into_iter(self) -> Self::IntoIter {
        self.tickets.iter()
    }
}