error[E0599]: no associated item named `ID` found for type `i32` in the current scope --> $DIR/associated-const-no-item.rs:5:23 | LL | const X: i32 = ::ID; | ^^ associated item not found in `i32` | = help: items from traits can only be used if the trait is implemented and in scope note: `Foo` defines an item `ID`, perhaps you need to implement it --> $DIR/associated-const-no-item.rs:1:1 | LL | trait Foo { | ^^^^^^^^^ error: aborting due to previous error For more information about this error, try `rustc --explain E0599`.