| //@ run-pass |
| |
| struct A { a: Box<i32> } |
| |
| impl A { |
| fn get(&self) -> i32 { *self.a } |
| } |
| |
| fn foo(n: i32) -> i32 { |
| let x = A { a: Box::new(n) }; |
| let y = match x { |
| A { a: v } if *v == 42 => v, |
| _ => Box::new(0), |
| }; |
| *y |
| } |
| |
| fn bar(n: i32) -> i32 { |
| let x = A { a: Box::new(n) }; |
| let y = match x { |
| A { a: v } if x.get() == 42 => v, |
| _ => Box::new(0), |
| }; |
| *y |
| } |
| |
| fn baz(n: i32) -> i32 { |
| let x = A { a: Box::new(n) }; |
| let y = match x { |
| A { a: v } if *v.clone() == 42 => v, |
| _ => Box::new(0), |
| }; |
| *y |
| } |
| |
| fn main() { |
| assert_eq!(foo(107), 0); |
| assert_eq!(foo(42), 42); |
| assert_eq!(bar(107), 0); |
| assert_eq!(bar(42), 42); |
| assert_eq!(baz(107), 0); |
| assert_eq!(baz(42), 42); |
| } |
