syntax_data: {"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"stack.cycle_step_kinds(head).fold(step_kind_to_head,"}]}
source_snippet:         stack.cycle_step_kinds(head).fold(step_kind_to_head, |curr, step| curr.extend(step))
context_before:     ) -> PathKind {
context_after:     }