mirror of
https://github.com/rust-lang/rust
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25 lines
557 B
Rust
25 lines
557 B
Rust
#![allow(warnings)]
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fn closure_expecting_bound<F>(_: F)
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where
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F: FnOnce(&u32),
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{
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}
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fn expect_bound_supply_named<'x>() {
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let mut f: Option<&u32> = None;
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// Here we give a type annotation that `x` should be free. We get
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// an error because of that.
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closure_expecting_bound(|x: &'x u32| {
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//~^ ERROR lifetime may not live long enough
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//~| ERROR lifetime may not live long enough
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// Borrowck doesn't get a chance to run, but if it did it should error
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// here.
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f = Some(x);
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});
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}
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fn main() {}
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