iced-yoda/widget/src/lazy/helpers.rs
2025-08-21 00:10:06 +02:00

43 lines
1.3 KiB
Rust

use crate::core::{self, Element};
use crate::lazy::component;
use std::hash::Hash;
#[allow(deprecated)]
pub use crate::lazy::{Component, Lazy};
/// Creates a new [`Lazy`] widget with the given data `Dependency` and a
/// closure that can turn this data into a widget tree.
#[cfg(feature = "lazy")]
pub fn lazy<'a, Message, Theme, Renderer, Dependency, View>(
dependency: Dependency,
view: impl Fn(&Dependency) -> View + 'a,
) -> Lazy<'a, Message, Theme, Renderer, Dependency, View>
where
Dependency: Hash + 'a,
View: Into<Element<'static, Message, Theme, Renderer>>,
{
Lazy::new(dependency, view)
}
/// Turns an implementor of [`Component`] into an [`Element`] that can be
/// embedded in any application.
#[cfg(feature = "lazy")]
#[deprecated(
since = "0.13.0",
note = "components introduce encapsulated state and hamper the use of a single source of truth. \
Instead, leverage the Elm Architecture directly, or implement a custom widget"
)]
#[allow(deprecated)]
pub fn component<'a, C, Message, Theme, Renderer>(
component: C,
) -> Element<'a, Message, Theme, Renderer>
where
C: Component<Message, Theme, Renderer> + 'a,
C::State: 'static,
Message: 'a,
Theme: 'a,
Renderer: core::Renderer + 'a,
{
component::view(component)
}