RealNumber

Bases: ColumnType

Type for a column that only contains real numbers.

Parameters:

Name	Type	Description	Default
is_nullable	bool	Whether the type also allows null values.	False

Source code in src/safeds/data/tabular/typing/_column_type.py

@dataclass
class RealNumber(ColumnType):
    """
    Type for a column that only contains real numbers.

    Parameters
    ----------
    is_nullable:
        Whether the type also allows null values.
    """

    _is_nullable: bool

    def __init__(self, is_nullable: bool = False) -> None:
        self._is_nullable = is_nullable

    def __repr__(self) -> str:
        result = "RealNumber"
        if self._is_nullable:
            result += "?"
        return result

    def is_nullable(self) -> bool:
        """
        Return whether the given column type is nullable.

        Returns
        -------
        is_nullable:
            True if the column is nullable.
        """
        return self._is_nullable

    def is_numeric(self) -> bool:
        """
        Return whether the given column type is numeric.

        Returns
        -------
        is_numeric:
            True if the column is numeric.
        """
        return True

is_nullable()

Return whether the given column type is nullable.

Returns:

Name	Type	Description
is_nullable	bool	True if the column is nullable.

Source code in src/safeds/data/tabular/typing/_column_type.py

def is_nullable(self) -> bool:
    """
    Return whether the given column type is nullable.

    Returns
    -------
    is_nullable:
        True if the column is nullable.
    """
    return self._is_nullable

is_numeric()

Return whether the given column type is numeric.

Returns:

Name	Type	Description
is_numeric	bool	True if the column is numeric.

Source code in src/safeds/data/tabular/typing/_column_type.py

def is_numeric(self) -> bool:
    """
    Return whether the given column type is numeric.

    Returns
    -------
    is_numeric:
        True if the column is numeric.
    """
    return True