syntax_data: {"ast_node_type":"variable","tokens":[{"end":81,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:             let dropline_target = self.diverge_dropline_target(else_scope, span);
context_before:         {
context_after:             let mut dropline_indices = IndexVec::from_elem_n(dropline_target, 1);