syntax_data: {"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"Err(AlwaysRequiresDrop)"}]}
source_snippet:                             Err(AlwaysRequiresDrop) => {
context_before:                         let tys = match (self.adt_components)(adt_def, args) {
context_after:                                 return Some(self.always_drop_component(ty));