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-2.2.1.139	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.138	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.137	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.136	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.135	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.134	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.133	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.132	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.131	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.130	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.129	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.128	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.127	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.126	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.125	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.124	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.123	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.122	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.121	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.120	tracks/typescript/exercises/strain/strain.example.ts