{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"///"}]}
///    However, `Index` additionally takes a local from which the value of the index is computed at
///  - [`Index`](ProjectionElem::Index): Like `ConstantIndex`, only legal on `[T; N]` or `[T]`.
///    runtime. Computing the value of the index involves interpreting the `Local` as a