fail-parent-child.rs
gistfile1.txt
| struct Parent; | |
| impl Parent { | |
| fn new_child<'a>(&'a self) -> Child<'a> { | |
| Child { | |
| parent: self | |
| } | |
| } | |
| } | |
| struct Child<'self> { | |
| parent: &'self Parent | |
| } | |
| impl<'self> Child<'self> { | |
| fn foo(&self) {} | |
| } | |
| fn main() { | |
| let child; | |
| { | |
| let parent = Parent; | |
| child = parent.new_child(); | |
| } | |
| child.foo(); | |
| } |
| -> % rustc test.rs | |
| test.rs:22:16: 22:22 error: borrowed value does not live long enough | |
| test.rs:22 child = parent.new_child(); | |
| ^~~~~~ | |
| test.rs:18:10: 26:1 note: borrowed pointer must be valid for the block at 18:10... | |
| test.rs:18 fn main() { | |
| test.rs:19 let child; | |
| test.rs:20 { | |
| test.rs:21 let parent = Parent; | |
| test.rs:22 child = parent.new_child(); | |
| test.rs:23 } | |
| ... | |
| test.rs:20:4: 23:5 note: ...but borrowed value is only valid for the block at 20:4 | |
| test.rs:20 { | |
| test.rs:21 let parent = Parent; | |
| test.rs:22 child = parent.new_child(); | |
| test.rs:23 } | |
| error: aborting due to previous error |