syntax_data: {"ast_node_type":"variable","tokens":[{"end":76,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:                     if let LocalInfo::User(BindingForm::Var(VarBindingForm {
context_before:                     let local = self.var_local_id(binding.var_id, OutsideGuard);
context_after:                         opt_match_place: Some((ref mut match_place, _)),