syntax_data: {"ast_node_type":"function","tokens":[{"end":46,"kind":"keyword","start":0,"text":"fn"}]}
source_snippet:     fn as_predicate(self) -> Predicate<'tcx> {
context_before: impl<'tcx> rustc_type_ir::inherent::Clause<TyCtxt<'tcx>> for Clause<'tcx> {
context_after:         self.as_predicate()