syntax_data: {"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"self.add_args(projection.args.as_slice());"}]}
source_snippet:         self.add_args(projection.args.as_slice());
context_before:     fn add_existential_projection(&mut self, projection: &ty::ExistentialProjection<I>) {
context_after:         match projection.term.kind() {