syntax_data: {"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"for"}]}
source_snippet:         for (bb, bb_data) in body.basic_blocks.iter_enumerated() {
context_before:         let mut basic_blocks = IndexVec::with_capacity(num_points);
context_after:             basic_blocks.extend((0..=bb_data.statements.len()).map(|_| bb));