syntax_data: {"ast_node_type":"variable","tokens":[{"end":39,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:             let no_alias = match kind {
context_before:             // `&mut T` and `Box<T>` where `T: Unpin` are unique and hence `noalias`.
context_after:                 PointerKind::SharedRef { frozen } => frozen,