Function full

full<T>(val): val is Exclude<T, undefined | null>
from https://github.com/CesiumGS/cesium/blob/master/Source/Core/defined.js
Type Parameters
- T
Parameters
- val: T
  The object.
Returns val is Exclude<T, undefined | null>
Returns true if the object is defined and not empty string, returns false otherwise.
Example
```
full('foo') // true
full('') // false
full(undefined) // false
full(0) // true
```
- Defined in defined.ts:34