convert error: 'Int' to 'IntLiteral' trying to implement the FloatLiteral.__round__(ndigits) method

    @always_inline("nodebug")
    fn __round__(self, ndigits: IntLiteral = 0) -> Self:
        """Return the rounded value of the FloatLiteral.

        Args:
            ndigits: The number of digits to round to. Defaults to 0.
        Returns:
            The rounded value.
        """
        # Handle special values first.
        if not self._is_normal():
            return self

        var pow: IntLiteral = 10 ** ndigits
        var to_round: Self = self * Self(pow)
        var truncated: IntLiteral = to_round.__int_literal__()
        var result: Self
        if self.__abs__() - Self(truncated).__abs__() < 0.5:
            result = Self(truncated)
        elif self > 0:
            result = Self(truncated + 1)
        else:
            result = Self(truncated - 1)
        if ndigits > 0:
            result = result / (Self(10.0) ** ndigits)
        return result