syntax_data: {"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"ty::Dynamic(data,"}]}
source_snippet:             ty::Dynamic(data, r, repr) => {
context_before:             ty::Adt(def, args) => self.print_def_path(def.did(), args)?,
context_after:                 let print_r = self.should_print_region(r);