syntax_data: {"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                 // We don't fast reject based on regions.
context_before:             match (obl.kind(), imp.kind()) {
context_after:                 (ty::GenericArgKind::Lifetime(_), ty::GenericArgKind::Lifetime(_)) => true,