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14 lines
220 B
Rust
14 lines
220 B
Rust
fn with_int<F>(f: F)
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where
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F: FnOnce(&isize),
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{
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let x = 3;
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f(&x);
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}
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fn main() {
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let mut x: Option<&isize> = None;
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with_int(|y| x = Some(y));
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//~^ ERROR borrowed data escapes outside of closure
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}
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