Провести ревью кода.

go · basicsWildberries / WB - 12не решено

Условие

Провести ревью кода.

type parrotType int

const (
  TypeEuropean      parrotType = 1
  TypeAfrican       parrotType = 2
  TypeNorwegianBlue parrotType = 3
)

// Parrot has a Speed.
type Parrot interface {
  Speed() (float64, error)
}

type mixedParrot struct {
  _type            parrotType
  numberOfCoconuts int
  voltage          float64
  nailed           bool
}

func CreateParrot(pt parrotType, numberOfCoconuts int, voltage float64, nailed bool) Parrot {
  return mixedParrot{
    _type:            pt,
    numberOfCoconuts: numberOfCoconuts,
    voltage:          voltage,
    nailed:           nailed,
  }
}

func (parrot mixedParrot) Speed() (float64, error) {
  switch parrot._type {
  case TypeEuropean:
    return parrot.baseSpeed(), nil
  case TypeAfrican:
    return math.Max(0, parrot.baseSpeed()-parrot.loadFactor()*float64(parrot.numberOfCoconuts)), nil
  case TypeNorwegianBlue:
    if parrot.nailed {
      return 0, nil
    }
    return parrot.computeBaseSpeedForVoltage(parrot.voltage), nil
  default:
    return 0, errors.New("should be unreachable ")
  }
}

func (parrot mixedParrot) computeBaseSpeedForVoltage(voltage float64) float64 {
  return math.Min(24.0, voltage*parrot.baseSpeed())
}

func (parrot mixedParrot) loadFactor() float64 {
  return 9.0
}

func (parrot mixedParrot) baseSpeed() float64 {
  return 12.0
}

Решение

Разбор

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Источник: Wildberries / WB - 12

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