error: specialization is unstable (see issue #31844) | |
--> $DIR/specialization-feature-gate-default.rs:20:5 | |
| | |
20 | default fn foo(&self) {} //~ ERROR specialization is unstable | |
| ^^^^^^^^^^^^^^^^^^^^^^^^ | |
| | |
= help: add #![feature(specialization)] to the crate attributes to enable | |
error: aborting due to previous error | |