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How to use the monocle-ts/lib.Lens.fromProp function in monocle-ts

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gcanti / newtype-ts / test / index.ts View on Github

it('should allow optic management', () =&gt; {
    const person: Person = {
      name: 'Giulio',
      age: age.wrap(43)
    }
    const ageLens = Lens.fromProp()('age').compose(age.asLens())
    assert.deepEqual(ageLens.set(44)(person), {
      name: 'Giulio',
      age: 44
    })
  })
})