func()

in literals.go [500:538]

• 36 lines of code
• 14 McCabe index (conditional complexity)

func (i Int64Literal) To(t Type) (Literal, error) {
	switch t := t.(type) {
	case Int32Type:
		if math.MaxInt32 < i {
			return Int32AboveMaxLiteral(), nil
		} else if math.MinInt32 > i {
			return Int32BelowMinLiteral(), nil
		}

		return Int32Literal(i), nil
	case Int64Type:
		return i, nil
	case Float32Type:
		return Float32Literal(i), nil
	case Float64Type:
		return Float64Literal(i), nil
	case DateType:
		return DateLiteral(i), nil
	case TimeType:
		return TimeLiteral(i), nil
	case TimestampType:
		return TimestampLiteral(i), nil
	case TimestampTzType:
		return TimestampLiteral(i), nil
	case DecimalType:
		unscaled := Decimal{Val: decimal128.FromI64(int64(i)), Scale: 0}
		if t.scale == 0 {
			return DecimalLiteral(unscaled), nil
		}
		out, err := unscaled.Val.Rescale(0, int32(t.scale))
		if err != nil {
			return nil, fmt.Errorf("%w: failed to cast to DecimalType: %s", ErrBadCast, err.Error())
		}

		return DecimalLiteral{Val: out, Scale: t.scale}, nil
	}

	return nil, fmt.Errorf("%w: Int64Literal to %s", ErrBadCast, t)
}