mirror of https://github.com/rust-lang/rust
24 lines
446 B
Rust
24 lines
446 B
Rust
// Tests that a closure which mutates a local variable
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// cannot also be supplied a borrowed version of that
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// variable's contents. Issue #11192.
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struct Foo {
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x: isize
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}
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impl Drop for Foo {
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fn drop(&mut self) {
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println!("drop {}", self.x);
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}
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}
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fn main() {
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let mut ptr: Box<_> = Box::new(Foo { x: 0 });
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let mut test = |foo: &Foo| {
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ptr = Box::new(Foo { x: ptr.x + 1 });
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};
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test(&*ptr); //~ ERROR cannot borrow `*ptr`
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}
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