26 lines
694 B
Rust
26 lines
694 B
Rust
use std::future::Future;
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//@no-rustfix
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async fn some_async_fn() {}
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fn sync_side_effects() {}
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fn custom() -> impl Future<Output = ()> {
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sync_side_effects();
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async {}
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}
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fn do_something_to_future(future: &mut impl Future<Output = ()>) {}
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//~^ ERROR: this argument is a mutable reference, but not used mutably
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//~| NOTE: `-D clippy::needless-pass-by-ref-mut` implied by `-D warnings`
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fn main() {
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let _ = some_async_fn();
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//~^ ERROR: non-binding `let` on a future
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let _ = custom();
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//~^ ERROR: non-binding `let` on a future
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let mut future = some_async_fn();
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do_something_to_future(&mut future);
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let _ = future;
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//~^ ERROR: non-binding `let` on a future
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}
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