syntax_data: {"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"candidate.otherwise_block"}]}
source_snippet:             candidate.otherwise_block = Some(next_block);
context_before:             candidate.pre_binding_block = Some(next_block);
context_after:             // In addition, if `candidate` doesn't have `false_edge_start_block`, it should be assigned here.