Function count

count<T>(condition: ((x: T) => boolean)): ((arr: readonly T[]) => number)
Example
```
import * as A from "flurp/array";
import * as N from "flurp/number";

const countPositive = A.count(isPositive);
countPositive([4, 5, -2, 6, -1]);     // 3
```
Type Parameters
- T
Parameters
- condition: ((x: T) => boolean)
  - - (x: T): boolean
    - Parameters
      
      x: T
      
      Returns boolean
Returns ((arr: readonly T[]) => number)
- - (arr: readonly T[]): number
  - Parameters
    - arr: readonly T[]
    Returns number
- Defined in src/array.ts:217