duck-fp

State Examples

.run()

Calls the function that was passed in State.of

const state = of(() => {
  console.log('a')
  return [null, null]
})

state.run(null) // Output: 'a'

.map()

const state = of((num: number) => [num * 2, num])

const mapped = state.map((num) => num * 10)

console.log(mapped.run(50)) // Output: [1000, 50]

.flatMap()

const state = of((num: number) => [num * 2, num])

const mapped = state.flatMap((num) =>
  of((n) => [n, num]),
)

console.log(mapped.run(50)) // Output: [50, 1000]

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