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use crate::clipboard;
use crate::system;
use crate::widget;
use crate::window;
use iced_futures::MaybeSend;
use std::fmt;
/// An action that a [`Command`] can perform.
///
/// [`Command`]: crate::Command
pub enum Action<T> {
/// Run a [`Future`] to completion.
///
/// [`Future`]: iced_futures::BoxFuture
Future(iced_futures::BoxFuture<T>),
/// Run a clipboard action.
Clipboard(clipboard::Action<T>),
/// Run a window action.
Window(window::Action<T>),
/// Run a system action.
System(system::Action<T>),
/// Run a widget action.
Widget(widget::Action<T>),
}
impl<T> Action<T> {
/// Applies a transformation to the result of a [`Command`].
///
/// [`Command`]: crate::Command
pub fn map<A>(
self,
f: impl Fn(T) -> A + 'static + MaybeSend + Sync,
) -> Action<A>
where
A: 'static,
T: 'static,
{
use iced_futures::futures::FutureExt;
match self {
Self::Future(future) => Action::Future(Box::pin(future.map(f))),
Self::Clipboard(action) => Action::Clipboard(action.map(f)),
Self::Window(window) => Action::Window(window.map(f)),
Self::System(system) => Action::System(system.map(f)),
Self::Widget(widget) => Action::Widget(widget.map(f)),
}
}
}
impl<T> fmt::Debug for Action<T> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Self::Future(_) => write!(f, "Action::Future"),
Self::Clipboard(action) => {
write!(f, "Action::Clipboard({action:?})")
}
Self::Window(action) => write!(f, "Action::Window({action:?})"),
Self::System(action) => write!(f, "Action::System({action:?})"),
Self::Widget(_action) => write!(f, "Action::Widget"),
}
}
}
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