20 lines
374 B
Rust
20 lines
374 B
Rust
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// compile-flags: -Ztrait-solver=next
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// edition: 2021
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// revisions: pass fail
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//[pass] check-pass
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use std::future::Future;
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fn needs_async(_: impl Future<Output = i32>) {}
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#[cfg(fail)]
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fn main() {
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needs_async(async {});
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//[fail]~^ ERROR to be a future that resolves to `i32`, but it resolves to `()`
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}
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#[cfg(pass)]
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fn main() {
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needs_async(async { 1i32 });
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}
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