syntax_data: {"ast_node_type":"other","tokens":[{"end":24,"kind":"keyword","start":0,"text":"}"}]}
source_snippet:                 } else {
context_before:                     else_blk = this.expr_into_dest(destination, else_blk, else_expr).into_block();
context_after:                     // There is no `else` arm, so we know both arms have type `()`.