{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":".map(OperandValue::Immediate)"}]}
                            .map(OperandValue::Immediate)
                        self.cast_immediate(bx, imm, from_scalar, from_backend_ty, to_scalar, to_backend_ty)
                            .unwrap_or_else(|| {