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23 lines
599 B
Rust
23 lines
599 B
Rust
// This is a regression test for a problem encountered around upvar
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// inference and trait caching: in particular, we were entering a
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// temporary closure kind during inference, and then caching results
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// based on that temporary kind, which led to no error being reported
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// in this particular test.
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fn main() {
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let inc = || {};
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inc();
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fn apply<F>(f: F) where F: Fn() {
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f()
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}
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let mut farewell = "goodbye".to_owned();
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let diary = || { //~ ERROR E0525
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farewell.push_str("!!!");
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println!("Then I screamed {}.", farewell);
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};
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apply(diary);
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}
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