16 lines
504 B
Rust
16 lines
504 B
Rust
//@ run-pass
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#![allow(path_statements)]
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#![allow(unused_variables)]
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// Regression test for issue #19499. Due to incorrect caching of trait
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// results for closures with upvars whose types were not fully
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// computed, this rather bizarre little program (along with many more
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// reasonable examples) let to ambiguity errors about not being able
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// to infer sufficient type information.
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//@ pretty-expanded FIXME #23616
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fn main() {
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let n = 0;
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let it = Some(1_usize).into_iter().inspect(|_| {n;});
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}
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