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Function: findLastConcur()

Returns a concur iterable containing the last value of concurIterable for which fn returns a value awaitable to a truthy value. Otherwise, returns an empty concur iterable.

Example​

const concurIterable = asConcur([1, 2, `sloth`, 4, `other string`])

console.log(
  await pipe(
    concurIterable,
    findLastConcur(value => typeof value === `string`),
    orConcur(() => `yawn!`),
  ),
)
//=> other string

console.log(
  await pipe(
    concurIterable,
    findLastConcur(value => Array.isArray(value)),
    orConcur(() => `yawn!`),
  ),
)
//=> yawn!

findLastConcur(fn)​

findLastConcur<Value>(fn): (concurIterable) => ConcurOptional<Value>

Returns a concur iterable containing the last value of concurIterable for which fn returns a value awaitable to a truthy value. Otherwise, returns an empty concur iterable.

Type Parameters​

• Value

Parameters​

• fn

Returns​

Function

Parameters​

• concurIterable: ConcurIterable<Value>

Returns​

ConcurOptional<Value>

Example​

const concurIterable = asConcur([1, 2, `sloth`, 4, `other string`])

console.log(
  await pipe(
    concurIterable,
    findLastConcur(value => typeof value === `string`),
    orConcur(() => `yawn!`),
  ),
)
//=> other string

console.log(
  await pipe(
    concurIterable,
    findLastConcur(value => Array.isArray(value)),
    orConcur(() => `yawn!`),
  ),
)
//=> yawn!

Defined in​

filters.d.ts:692

findLastConcur(fn, concurIterable)​

findLastConcur<Value>(fn, concurIterable): ConcurOptional<Value>

Returns a concur iterable containing the last value of concurIterable for which fn returns a value awaitable to a truthy value. Otherwise, returns an empty concur iterable.

Type Parameters​

• Value

Parameters​

• fn

• concurIterable: ConcurIterable<Value>

Returns​

ConcurOptional<Value>

Example​

const concurIterable = asConcur([1, 2, `sloth`, 4, `other string`])

console.log(
  await pipe(
    concurIterable,
    findLastConcur(value => typeof value === `string`),
    orConcur(() => `yawn!`),
  ),
)
//=> other string

console.log(
  await pipe(
    concurIterable,
    findLastConcur(value => Array.isArray(value)),
    orConcur(() => `yawn!`),
  ),
)
//=> yawn!

Defined in​

filters.d.ts:692