dioxus/docs/guide/examples/component_props_options.rs
ealmloff cd4474cc4f
Update docs to reflect changes in master (#670)
* work on updating docs to master version

* more updates

* more polishing

* finish interactivity chapter

* finish updating core guide

* fix grammer mistakes and typos

* more grammer fixes

* add liveview guide

* remove doc build

* WIP custom renderer docs

* add axum as dev-dependancy to guide

* fix examples

* fix overview example

* use md book fork to fix compilation
2023-01-06 15:00:12 -08:00

110 lines
2.3 KiB
Rust

#![allow(non_snake_case)]
use dioxus::prelude::*;
fn main() {
dioxus_desktop::launch(App);
}
#[rustfmt::skip]
fn App(cx: Scope) -> Element {
cx.render(rsx! {
// ANCHOR: OptionalProps_usage
Title {
title: "Some Title",
},
Title {
title: "Some Title",
subtitle: "Some Subtitle",
},
// Providing an Option explicitly won't compile though:
// Title {
// title: "Some Title",
// subtitle: None,
// },
// ANCHOR_END: OptionalProps_usage
// ANCHOR: ExplicitOption_usage
ExplicitOption {
title: "Some Title",
subtitle: None,
},
ExplicitOption {
title: "Some Title",
subtitle: Some("Some Title"),
},
// This won't compile:
// ExplicitOption {
// title: "Some Title",
// },
// ANCHOR_END: ExplicitOption_usage
// ANCHOR: DefaultComponent_usage
DefaultComponent {
number: 5,
},
DefaultComponent {},
// ANCHOR_END: DefaultComponent_usage
// ANCHOR: IntoComponent_usage
IntoComponent {
string: "some &str",
},
// ANCHOR_END: IntoComponent_usage
})
}
// ANCHOR: OptionalProps
#[derive(Props)]
struct OptionalProps<'a> {
title: &'a str,
subtitle: Option<&'a str>,
}
fn Title<'a>(cx: Scope<'a, OptionalProps>) -> Element<'a> {
cx.render(rsx!(h1{
"{cx.props.title}: ",
cx.props.subtitle.unwrap_or("No subtitle provided"),
}))
}
// ANCHOR_END: OptionalProps
// ANCHOR: ExplicitOption
#[derive(Props)]
struct ExplicitOptionProps<'a> {
title: &'a str,
#[props(!optional)]
subtitle: Option<&'a str>,
}
fn ExplicitOption<'a>(cx: Scope<'a, ExplicitOptionProps>) -> Element<'a> {
cx.render(rsx!(h1 {
"{cx.props.title}: ",
cx.props.subtitle.unwrap_or("No subtitle provided"),
}))
}
// ANCHOR_END: ExplicitOption
// ANCHOR: DefaultComponent
#[derive(PartialEq, Props)]
struct DefaultProps {
// default to 42 when not provided
#[props(default = 42)]
number: i64,
}
fn DefaultComponent(cx: Scope<DefaultProps>) -> Element {
cx.render(rsx!(h1 { "{cx.props.number}" }))
}
// ANCHOR_END: DefaultComponent
// ANCHOR: IntoComponent
#[derive(PartialEq, Props)]
struct IntoProps {
#[props(into)]
string: String,
}
fn IntoComponent(cx: Scope<IntoProps>) -> Element {
cx.render(rsx!(h1 { "{cx.props.string}" }))
}
// ANCHOR_END: IntoComponent