70 lines
1.7 KiB
Rust
70 lines
1.7 KiB
Rust
#![warn(clippy::large_futures)]
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#![allow(clippy::never_loop)]
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#![allow(clippy::future_not_send)]
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#![allow(clippy::manual_async_fn)]
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async fn big_fut(_arg: [u8; 1024 * 16]) {}
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async fn wait() {
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let f = async {
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Box::pin(big_fut([0u8; 1024 * 16])).await;
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//~^ ERROR: large future with a size of 16385 bytes
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//~| NOTE: `-D clippy::large-futures` implied by `-D warnings`
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};
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Box::pin(f).await
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//~^ ERROR: large future with a size of 16386 bytes
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}
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async fn calls_fut(fut: impl std::future::Future<Output = ()>) {
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loop {
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Box::pin(wait()).await;
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//~^ ERROR: large future with a size of 16387 bytes
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if true {
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return fut.await;
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} else {
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Box::pin(wait()).await;
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//~^ ERROR: large future with a size of 16387 bytes
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}
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}
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}
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pub async fn test() {
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let fut = big_fut([0u8; 1024 * 16]);
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Box::pin(foo()).await;
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//~^ ERROR: large future with a size of 65540 bytes
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Box::pin(calls_fut(fut)).await;
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//~^ ERROR: large future with a size of 49159 bytes
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}
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pub fn foo() -> impl std::future::Future<Output = ()> {
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async {
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let x = [0i32; 1024 * 16];
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async {}.await;
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dbg!(x);
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}
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}
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pub async fn lines() {
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Box::pin(async {
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//~^ ERROR: large future with a size of 65540 bytes
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let x = [0i32; 1024 * 16];
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async {}.await;
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println!("{:?}", x);
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})
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.await;
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}
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pub async fn macro_expn() {
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macro_rules! macro_ {
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() => {
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Box::pin(async {
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let x = [0i32; 1024 * 16];
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async {}.await;
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println!("macro: {:?}", x);
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})
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};
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}
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macro_!().await
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}
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fn main() {}
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