syntax_data: {"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"for"}]}
source_snippet:             for succ in data.terminator().successors() {
context_before:         for (_, data) in body.basic_blocks.iter_enumerated() {
context_after:                 pred_count[succ] = pred_count[succ].saturating_add(1);