torch.tx.pattern_error_extra_variables
export type pattern_error_extra_variables<Extra extends string, Pattern extends string> = {
readonly __error: 'PATTERN_ERROR_EXTRA_VARIABLES';
readonly extra: Extra;
readonly pattern: Pattern;
readonly message: `Unused variable(s) for pattern '${Pattern}': ${Extra}`;
};Extraextends stringPatternextends stringError type for extra/unused variables in pattern expression.