syntax_data: {"ast_node_type":"variable","tokens":[{"end":84,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:                     if let Some(_data) = analysis.get_switch_int_data(pred, discr) {
context_before:                 mir::TerminatorKind::SwitchInt { ref discr, .. } => {
context_after:                         bug!(