syntax_data: {"ast_node_type":"other","tokens":[{"end":47,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // of the type(s) contained within.
context_before:             // Because this function is "shallow", we return `true` for these composites regardless
context_after:             ty::Pat(..) | ty::Ref(..) | ty::Array(..) | ty::Slice(_) | ty::Tuple(..) => true,