syntax_data: {"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // The args don't contain the self ty (as it has been erased) but the corresp.
context_before:         let name = p.tcx().associated_item(self.def_id).name();
context_after:         // generics do as the trait always has a self ty param. We need to offset.