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add-functions

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Add two functions together and choose when the original one gets called!

require('add-functions')(a, (callOriginal) => { callOriginal(); foo()})

Adds one or more functions together. Functions will take an additional callOriginal argument. This function will call the function before yours in the added functions.

const a = n => n + 1
const b = (n, callPrevious) => n + callPrevious() + 1

const c = addFunctions(a, b)

c(0)  // -> 2
const asynchronouslyAdd2 = addFunctions(
    () => getPromise(),
    previous => previous().then(p => p + 1),
    previous => previous().then(p => p + 1),
)

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Add two functions together and choose when the original one gets called!

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