Source code for text_lint.operations.validators.expressions.bases.expression_base

"""ExpressionBase class."""

import abc
from typing import Union




class ExpressionBase(abc.ABC):
  """Base class for mathematical expressions."""

  operator: str



  @abc.abstractmethod
  def apply(self, value_a: float, value_b: float) -> Union[float, bool]:
    """Apply the mathematical operator to these two values.

    :param value_a: The first value the operator will apply to.
    :param value_b: The second value the operator will apply to.
    :returns: The result of the operation.
    """