26 lines
642 B
Rust
26 lines
642 B
Rust
#![feature(box_syntax)]
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struct Clam {
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x: Box<isize>,
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y: Box<isize>,
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}
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struct Fish {
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a: Box<isize>,
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}
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fn main() {
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let a: Clam = Clam{x: box 1, y: box 2};
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let b: Clam = Clam{x: box 10, y: box 20};
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let z: isize = a.x + b.y;
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//~^ ERROR binary operation `+` cannot be applied to type `std::boxed::Box<isize>`
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println!("{}", z);
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assert_eq!(z, 21);
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let forty: Fish = Fish{a: box 40};
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let two: Fish = Fish{a: box 2};
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let answer: isize = forty.a + two.a;
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//~^ ERROR binary operation `+` cannot be applied to type `std::boxed::Box<isize>`
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println!("{}", answer);
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assert_eq!(answer, 42);
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}
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