{"ast_node_type":"enum","tokens":[{"end":68,"kind":"keyword","start":0,"text":"enum"}]}
enum SomeEnum<'a> { Nothing } //~ ERROR parameter `'a` is never used
struct SomeStruct<'a> { x: u32 } //~ ERROR parameter `'a` is never used
trait SomeTrait<'a> { fn foo(&self); } // OK on traits.