syntax_data: {"ast_node_type":"variable","tokens":[{"end":84,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:                 if let Some(mut data) = analysis.get_switch_int_data(block, discr) {
context_before:             TerminatorEdges::SwitchInt { targets, discr } => {
context_after:                     let mut tmp = analysis.bottom_value(body);