{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"//!"}]}
//! in `T` - the vtable for a trait definition (e.g., `fmt::Display` or
//! and where pointer_kind(`T`) is the kind of the unsize info
//! `Iterator`, not `Iterator<Item=u8>`) or a length (or `()` if `T: Sized`).