{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"///"}]}
    /// is useful for indexing slices, as `&[T]`'s data pointer is `T*`.
    /// `[T]` becomes `T`, while `str` and `Trait` turn into `i8` - this
    /// If the type is an unsized struct, the regular layout is generated,