24 lines
604 B
Rust
24 lines
604 B
Rust
// Make sure "highlighted" code is colored purple
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//@ compile-flags: --error-format=human --color=always
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//@ error-pattern:[35mfor<'a> [0m
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//@ edition:2018
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use core::pin::Pin;
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use core::future::Future;
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use core::any::Any;
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fn query(_: fn(Box<(dyn Any + Send + '_)>) -> Pin<Box<(
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dyn Future<Output = Result<Box<(dyn Any + 'static)>, String>> + Send + 'static
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)>>) {}
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fn wrapped_fn<'a>(_: Box<(dyn Any + Send)>) -> Pin<Box<(
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dyn Future<Output = Result<Box<(dyn Any + 'static)>, String>> + Send + 'static
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)>> {
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Box::pin(async { Err("nope".into()) })
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}
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fn main() {
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query(wrapped_fn);
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}
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