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24 lines
416 B
Rust
24 lines
416 B
Rust
#![feature(box_patterns)]
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use std::ops::Add;
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#[derive(Clone)]
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struct Foo(Box<usize>);
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impl Add for Foo {
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type Output = Foo;
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fn add(self, f: Foo) -> Foo {
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let Foo(box i) = self;
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let Foo(box j) = f;
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Foo(Box::new(i + j))
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}
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}
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fn main() {
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let x = Foo(Box::new(3));
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let _y = {x} + x.clone(); // the `{x}` forces a move to occur
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//~^ ERROR borrow of moved value: `x`
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}
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