Given that it is an immutable object, ruby allows paraller assignments as this: 

```
sample[:alpha] = sample[:beta] = sample[:gamma] = 0

```

But is there any other simple way to do this? , something like :

```
sample[alpha:, beta:, gamma: => 0]

```

or:

```
sample[:alpha, :beta, :gamma] => 0, 0, 0 

```