syntax_data: {"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"&&"}]}
source_snippet:             && self.cx.is_lang_item(did, TraitSolverLangItem::Sized)
context_before:             && let Some(did) = clause.as_trait_clause().map(|c| c.def_id())
context_after:         {