{"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"coerce.coerce(self,"}]}
                    coerce.coerce(self, Some(expr), &cur_elem_ty, CoercionCause::Expr(expr));
                    let cur_elem_ty = self.infer_expr_inner(expr, &expected, ExprIsRead::Yes);
                }