syntax_data: {"ast_node_type":"struct","tokens":[{"end":80,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                     // `ManuallyDrop`. If it's a struct or enum without a `Drop`
context_before:                     // Check for a `Drop` impl and whether this is a union or
context_after:                     // impl then check whether the field types need `Drop`.