syntax_data: {"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"this.in_if_then_scope(last_remainder_scope,"}]}
source_snippet:                             this.in_if_then_scope(last_remainder_scope, else_block_span, |this| {
context_before:                         let (matching, failure) =
context_after:                                 this.lower_let_expr(