a084434e14
Fork point for agent-zed. Editor core retained; AI/telemetry/cloud layers to be ripped and replaced per FORK_MAP.md. Co-Authored-By: Claude Opus 4.8 <[email protected]>
50 lines
1.1 KiB
Rust
50 lines
1.1 KiB
Rust
#![cfg_attr(target_family = "wasm", no_main)]
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use gpui::{App, Context, Entity, EventEmitter, prelude::*};
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use gpui_platform::application;
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struct Counter {
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count: usize,
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}
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struct Change {
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increment: usize,
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}
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impl EventEmitter<Change> for Counter {}
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fn run_example() {
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application().run(|cx: &mut App| {
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let counter: Entity<Counter> = cx.new(|_cx| Counter { count: 0 });
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let subscriber = cx.new(|cx: &mut Context<Counter>| {
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cx.subscribe(&counter, |subscriber, _emitter, event, _cx| {
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subscriber.count += event.increment * 2;
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})
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.detach();
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Counter {
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count: counter.read(cx).count * 2,
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}
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});
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counter.update(cx, |counter, cx| {
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counter.count += 2;
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cx.notify();
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cx.emit(Change { increment: 2 });
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});
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assert_eq!(subscriber.read(cx).count, 4);
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});
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}
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#[cfg(not(target_family = "wasm"))]
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fn main() {
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run_example();
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}
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#[cfg(target_family = "wasm")]
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#[wasm_bindgen::prelude::wasm_bindgen(start)]
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pub fn start() {
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gpui_platform::web_init();
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run_example();
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}
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