syntax_data: {"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"ty::Binder::dummy(vec![crit.instantiate(self.tcx(),"}]}
source_snippet:                     ty::Binder::dummy(vec![crit.instantiate(self.tcx(), args)])
context_before:                 if let Some(crit) = def.sizedness_constraint(self.tcx(), sizedness) {
context_after:                 } else {