Create iced_widget subcrate and re-organize the whole codebase

widget/src/lazy/helpers.rs

@@ -0,0 +1,39 @@
+use crate::core::{self, Element, Size};
+use crate::lazy::component::{self, Component};
+use crate::lazy::{Lazy, Responsive};
+
+use std::hash::Hash;
+
+pub fn lazy<'a, Message, Renderer, Dependency, View>(
+    dependency: Dependency,
+    view: impl Fn(&Dependency) -> View + 'a,
+) -> Lazy<'a, Message, Renderer, Dependency, View>
+where
+    Dependency: Hash + 'a,
+    View: Into<Element<'static, Message, Renderer>>,
+{
+    Lazy::new(dependency, view)
+}
+
+/// Turns an implementor of [`Component`] into an [`Element`] that can be
+/// embedded in any application.
+pub fn component<'a, C, Message, Renderer>(
+    component: C,
+) -> Element<'a, Message, Renderer>
+where
+    C: Component<Message, Renderer> + 'a,
+    C::State: 'static,
+    Message: 'a,
+    Renderer: core::Renderer + 'a,
+{
+    component::view(component)
+}
+
+pub fn responsive<'a, Message, Renderer>(
+    f: impl Fn(Size) -> Element<'a, Message, Renderer> + 'a,
+) -> Responsive<'a, Message, Renderer>
+where
+    Renderer: core::Renderer,
+{
+    Responsive::new(f)
+}