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-2.2.1.119	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.118	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.117	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.116	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.115	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.114	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.113	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.111	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.110	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.109	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.108	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.107	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.106	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.105	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.104	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.103	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.102	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.101	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.100	tracks/typescript/exercises/strain/strain.example.ts
trackler-2.2.1.99	tracks/typescript/exercises/strain/strain.example.ts