Type Alias DirectionFn<T>

DirectionFn<T>: ((element: T) => number)

A function used to determine the direction a search algorithm should take when traversing data to find a desired element.

Type Parameters

T

Type declaration

- (element): number
- Parameters
  - element: T
  Returns number
  0 when the desired element has been found. A positive number when the desired element appears after the current element. A negative number when the desired element appears before the current element.

Example

function directionFn(value: number) {
  const squared = value ** 2;

  return squared - 64;
}