# module `concrete.fhe.internal.utils` Declaration of various functions and constants related to the entire project. --- ## function `assert_that` ```python assert_that(condition: bool, message: str = '') ``` Assert a condition. **Args:** condition (bool): condition to assert message (str): message to give to `AssertionError` if the condition does not hold **Raises:** AssertionError: if the condition does not hold --- ## function `unreachable` ```python unreachable() ``` Raise a RuntimeError to indicate unreachable code is entered.