Function filter

filter<T>(fallback): ((fn) => ((list) => T[]))
Returns all items in an array that meet the predicate, or the fallback if list is null or undefined.
Type Parameters
- T
Parameters
- fallback: T[]
Returns ((fn) => ((list) => T[]))
- - (fn): ((list) => T[])
  - Parameters
    - fn: Predicate<T>
    Returns ((list) => T[])
    - - (list): T[]
      - Parameters
        
        list: T[]
        
        Returns T[]
Example
```
filter([])(isOdd)([3, 6, 9])
// => [3, 9]

filter([])(isOdd)(undefined)
// => []
```
- Defined in lib/fns/array.ts:95

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