syntax_data: {"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"for"}]}
source_snippet:         for binding in &flat_pat.extra_data.bindings {
context_before:     fn visit_flat_pat(&mut self, flat_pat: &FlatPat<'tcx>) {
context_after:             if let super::SubpatternBindings::One(binding) = binding {