src/test/ui/regions/regions-lifetime-of-struct-or-enum-variant.rs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

// This tests verifies that unary structs and enum variants
// are treated as rvalues and their lifetime is not bounded to
// the static scope.

fn id<T>(x: T) -> T { x }

struct Test;

enum MyEnum {
    Variant1
}

fn structLifetime<'a>() -> &'a Test {
  let testValue = &id(Test);
  testValue
  //~^ ERROR cannot return value referencing temporary value
}

fn variantLifetime<'a>() -> &'a MyEnum {
  let testValue = &id(MyEnum::Variant1);
  testValue
  //~^ ERROR cannot return value referencing temporary value
}


fn main() {}