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-2.2.1.180	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.179	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.178	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.177	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.176	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.175	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.174	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.173	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.172	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.171	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.170	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.169	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.167	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.166	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.165	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.164	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.163	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.162	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.161	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.160	tracks/typescript/exercises/strain/strain.example.ts