optZero ()

optZero<T>(x): OptSafe<T>
For a number 0 returns None, otherwise acts same as opt.
Type Parameters
- T
Parameters
- x: undefined | null | 0 | T
Returns OptSafe<T>
Example
```
optZero(undefined) // None
optZero(1) // Some(1)
optZero(0) // None
```
- Defined in Opt.ts:2251