syntax_data: {"ast_node_type":"function","tokens":[{"end":91,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet:     pub fn type_has_metadata(self, ty: Ty<'tcx>, typing_env: ty::TypingEnv<'tcx>) -> bool {
context_before:     /// Returns true if a type has metadata.
context_after:         if ty.is_sized(self, typing_env) {