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Show Action pattern in The Pocket Guide

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Héctor Ramón Jiménez 2024-09-18 22:00:40 +02:00
parent 1cf284a850
commit 9e5afc54ce
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1 changed files with 16 additions and 2 deletions
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18
src/lib.rs
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@ -380,16 +380,18 @@
//! # use iced::{Element, Task};
//! # pub struct Contacts;
//! # impl Contacts {
//! # pub fn update(&mut self, message: Message) -> Task<Message> { unimplemented!() }
//! # pub fn update(&mut self, message: Message) -> Action { unimplemented!() }
//! # pub fn view(&self) -> Element<Message> { unimplemented!() }
//! # }
//! # #[derive(Debug)]
//! # pub enum Message {}
//! # pub enum Action { None, Run(Task<Message>), Chat(()) }
//! # }
//! # mod conversation {
//! # use iced::{Element, Task};
//! # pub struct Conversation;
//! # impl Conversation {
//! # pub fn new(contact: ()) -> (Self, Task<Message>) { unimplemented!() }
//! # pub fn update(&mut self, message: Message) -> Task<Message> { unimplemented!() }
//! # pub fn view(&self) -> Element<Message> { unimplemented!() }
//! # }
@ -419,7 +421,19 @@
//! match message {
//! Message::Contacts(message) => {
//! if let Screen::Contacts(contacts) = &mut state.screen {
//! contacts.update(message).map(Message::Contacts)
//! let action = contacts.update(message);
//!
//! match action {
//! contacts::Action::None => Task::none(),
//! contacts::Action::Run(task) => task.map(Message::Contacts),
//! contacts::Action::Chat(contact) => {
//! let (conversation, task) = Conversation::new(contact);
//!
//! state.screen = Screen::Conversation(conversation);
//!
//! task.map(Message::Conversation)
//! }
//! }
//! } else {
//! Task::none()
//! }