74 lines
1.6 KiB
Rust
74 lines
1.6 KiB
Rust
use safe_executor::Executor;
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fn spawn(runtime: &Executor) {
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println!("Spawning futures");
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let task1 = runtime.spawn(async move {
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println!("Henlo from first spawn");
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"A"
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});
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let task2 = runtime.spawn(async move {
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println!("Henlo from second spawn");
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"B"
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});
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let run2m = runtime.clone();
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runtime.spawn(async move {
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let res1 = task1.await;
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let res2 = task2.await;
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println!("Henlo from third spawn, {:?}, {:?}", res1, res2);
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let res3 = run2m
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.spawn(async move {
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println!("Henlo from inner spawn");
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"D"
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})
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.await;
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println!("Henlo again from third spawn, {:?}", res3);
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});
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}
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fn main() {
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let runtime = Executor::new();
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// This creates 3 new tasks
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spawn(&runtime);
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while runtime.any_woken() {
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println!("Ticking");
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runtime.tick();
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}
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// This reclaims the first 3 tasks
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println!("Pruning");
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runtime.prune();
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// This creates 3 new tasks
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spawn(&runtime);
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while runtime.any_woken() {
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println!("Ticking");
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runtime.tick();
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}
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// This re-uses the 3 tasks created prior
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spawn(&runtime);
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// This doesn't reclaim any tasks, since we've spawned 3 more futures
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println!("Pruning");
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runtime.prune();
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while runtime.any_woken() {
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println!("Ticking");
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runtime.tick();
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// This reclaims tasks as their futures resolve on each tick
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println!("Pruning");
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runtime.prune();
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}
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println!("Hewwo Mr Obama");
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}
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