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|
//@ 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);
}
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