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//! Declarative components to represent control-flow and other useful
//! constructs in the [`leptos`] web framework not directly
//! provided by default.
//!
//! This crate provides 2 main components
//!
//! - [`If`](if_::If)
//! - [`Portal`](portal::Portal)
//!
//! # Usage
//! For more usage examples, please refer to the respective
//! components' documentation, but here's a taste.
//!
//! ## If
//! ```rust
/// use leptos::*;
/// use leptos_declarative::prelude::*;
///
/// # let _ = create_scope(create_runtime(), |cx| {
/// let (a, _) = create_signal(cx, true);
/// let (b, _) = create_signal(cx, false);
///
/// view! { cx,
/// <If signal=a>
/// <Then>"A is true!"</Then>
/// <ElseIf signal=b>"B is true!"</ElseIf>
/// <Else>"Both A and B are false!"</Else>
/// </If>
/// };
/// # });
/// ```
///
/// ## Portal
/// ```rust
/// use leptos::*;
/// use leptos_declarative::prelude::*;
///
/// # let _ = create_scope(create_runtime(), |cx| {
///
/// struct PortalId;
///
/// view! { cx,
/// <PortalProvider>
/// <div>
/// <h1>"Portal goes here!"</h1>
/// <PortalOutput id=PortalId />
/// </div>
///
/// <Portal id=PortalId>
/// <p>"I went through the portal!"</p>
/// </Portal>
/// </PortalProvider>
/// };
/// # });
/// ```
/// Convenient import of all components.