Contents

interface Predicate<T> {
  (element: T): boolean
}

export function keep<T>(array: T[], predicate: Predicate<T>): T[] {
  const output: T[] = []
  array.forEach((el: T) => {
    if (predicate(el)) {
      output.push(el)
    }
  })
  return output
}

export function discard<T>(array: T[], predicate: Predicate<T>): T[] {
  const output: T[] = []
  array.forEach((el: T) => {
    if (!predicate(el)) {
      output.push(el)
    }
  })
  return output
}

Version data entries

132 entries across 132 versions & 1 rubygems

Version	Path
trackler-2.2.1.58	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.57	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.56	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.55	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.54	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.53	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.52	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.51	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.50	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.49	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.48	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.47	tracks/typescript/exercises/strain/strain.example.ts