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https://github.com/rust-lang/rust
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18 lines
429 B
Rust
18 lines
429 B
Rust
fn call_it<F>(f: F) where F: Fn() { f(); }
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struct A;
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impl A {
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fn gen(&self) {}
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fn gen_mut(&mut self) {}
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}
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fn main() {
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let mut x = A;
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call_it(|| {
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call_it(|| x.gen());
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call_it(|| x.gen_mut());
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//~^ ERROR cannot borrow `x` as mutable, as it is a captured variable in a `Fn` closure
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//~| ERROR cannot borrow `x` as mutable, as it is a captured variable in a `Fn` closure
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});
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}
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