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-2.2.1.78	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.77	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.76	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.75	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.74	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.73	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.72	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.71	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.70	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.69	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.68	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.67	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.66	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.65	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.64	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.63	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.62	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.61	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.60	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.59	tracks/typescript/exercises/strain/strain.example.ts