mirror of
https://github.com/rust-lang/rust
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25 lines
599 B
Rust
25 lines
599 B
Rust
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::new(1), y: Box::new(2) };
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let b: Clam = Clam{ x: Box::new(10), y: Box::new(20) };
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let z: isize = a.x + b.y;
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//~^ ERROR cannot add `Box<isize>` to `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::new(40) };
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let two: Fish = Fish{ a: Box::new(2) };
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let answer: isize = forty.a + two.a;
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//~^ ERROR cannot add `Box<isize>` to `Box<isize>`
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println!("{}", answer);
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assert_eq!(answer, 42);
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}
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