{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"//"}]}
                    // the def id of the `{ N + 1 }` anon const
                    // For the following struct def we want `args: [N#0]` when generics_of is called on
                    // struct Foo<const N: usize, const M: usize = { N + 1 }>;