redux-saga-math.js

function getTwoPlusTwo() {
    return 2 + 2
}

function* mathSaga() {
    const sum = yield getTwoPlusTwo()
    console.log("two plus two equals: ", sum)

    const sum2 = yield call(getTwoPlusTwo)
    console.log("two plus two again equals: ", sum2)
}

// two plus two equals:  4
// two plus two again equals:  4