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Add Application::Executor associated type

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This commit is contained in:
Héctor Ramón Jiménez 2020-01-20 04:47:36 +01:00
parent 35760ac68f
commit 90690702e1
29 changed files with 195 additions and 72 deletions
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14
src/application.rs
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@ -1,4 +1,4 @@
use crate::{window, Command, Element, Settings, Subscription};
use crate::{window, Command, Element, Executor, Settings, Subscription};
/// An interactive cross-platform application.
///
@ -19,7 +19,7 @@ use crate::{window, Command, Element, Settings, Subscription};
/// before](index.html#overview). We just need to fill in the gaps:
///
/// ```no_run
/// use iced::{button, Application, Button, Column, Command, Element, Settings, Text};
/// use iced::{button, executor, Application, Button, Column, Command, Element, Settings, Text};
///
/// pub fn main() {
/// Counter::run(Settings::default())
@ -39,6 +39,7 @@ use crate::{window, Command, Element, Settings, Subscription};
/// }
///
/// impl Application for Counter {
/// type Executor = executor::Null;
/// type Message = Message;
///
/// fn new() -> (Self, Command<Message>) {
@ -80,6 +81,14 @@ use crate::{window, Command, Element, Settings, Subscription};
/// }
/// ```
pub trait Application: Sized {
/// The [`Executor`] that will run commands and subscriptions.
///
/// The [`executor::Default`] can be a good starting point!
///
/// [`Executor`]: trait.Executor.html
/// [`executor::Default`]: executor/struct.Default.html
type Executor: Executor;
/// The type of __messages__ your [`Application`] will produce.
///
/// [`Application`]: trait.Application.html
@ -185,6 +194,7 @@ where
A: Application,
{
type Renderer = iced_wgpu::Renderer;
type Executor = A::Executor;
type Message = A::Message;
fn new() -> (Self, Command<A::Message>) {