in 《A 30-minute Introduction to Rust》 rustc dangling.rs output need update

[electricface]

Save this program as dangling.rs. When you try to compile this program with rustc dangling.rs, you'll get an interesting (and long) error message:

dangling.rs:3:12: 3:14 error: `i` does not live long enough
dangling.rs:3     return &i;
                         ^~
dangling.rs:1:23: 4:2 note: reference must be valid for the anonymous lifetime #1 defined on the block at 1:22...
dangling.rs:1 fn dangling() -> &int {
dangling.rs:2     let i = 1234;
dangling.rs:3     return &i;
dangling.rs:4 }
dangling.rs:1:23: 4:2 note: ...but borrowed value is only valid for the block at 1:22
dangling.rs:1 fn dangling() -> &int {
dangling.rs:2     let i = 1234;
dangling.rs:3     return &i;
dangling.rs:4 }
error: aborting due to previous error

rustc 0.12.0

dangling.rs:1:18: 1:22 error: missing lifetime specifier [E0106]
dangling.rs:1 fn dangling() -> &int {
                               ^~~~
error: aborting due to previous error

[steveklabnik]

The 30 minute guide is being re-done in #16641 , so while this is an error, it's already going away shortly.

[steveklabnik]

Closed since #16641 was merged.