syntax_data: {"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:                 if Some(0) == count.try_to_target_usize(this.tcx) {
context_before:             ExprKind::Repeat { value, count } => {
context_after:                     this.build_zero_repeat(block, value, scope, source_info)