deserializeOrCrash ()

deserializeOrCrash<T>(x, guard): Opt<T>
Deserializes the input value or throws an error if deserialization fails.
Type Parameters
- T
Parameters
- x: unknown
  input value to be deserialized
- guard: ((x) => x is T)
  guard function to validate the inner type
  - - (x): x is T
    - Parameters
      x: unknown
      Returns x is T
Returns Opt<T>
deserialized value as an Opt instance
Example
```
deserializeOrCrash({ type: 'Opt/None' }, isNumber) // none
deserializeOrCrash({ type: 'Opt/Some', value: 0 }, isNumber) // some(0)
deserializeOrCrash({ type: 'Opt/Some', value: 'not a number' }, isNumber) // exception thrown
deserializeOrCrash(4, isNumber) // exception thrown
```
- Defined in Opt.ts:2123