15 lines
265 B
Rust
15 lines
265 B
Rust
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#![feature(unboxed_closures)]
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// Tests that we can't assign to or mutably borrow upvars from `Fn`
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// closures (issue #17780)
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fn main() {}
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fn bar() -> impl Fn() -> usize {
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let mut x = 0;
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move || {
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x += 1; //~ ERROR cannot assign
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x
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}
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}
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