31 lines
578 B
Rust
31 lines
578 B
Rust
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//@ run-rustfix
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#![allow(unused_mut)]
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#![allow(dead_code)]
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#[derive(Debug)]
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struct A {
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a: i32,
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}
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impl A {
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fn double(&mut self) {
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self.a += self.a
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}
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}
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fn baz() {
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let mut v = [A { a: 4 }];
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v.iter_mut().for_each(|a| a.double());
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//~^ ERROR cannot borrow `*a` as mutable, as it is behind a `&` reference
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println!("{:?}", v);
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}
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fn bar() {
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let mut v = [A { a: 4 }];
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v.iter_mut().rev().rev().for_each(|a| a.double());
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//~^ ERROR cannot borrow `*a` as mutable, as it is behind a `&` reference
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println!("{:?}", v);
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}
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fn main() {}
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