f-declaration.js

var intoTuple = curry(_intoTuple)

function _intoTuple(size, list, elem) {
    var lastElem = last(list)
    if (lastElem && lastElem.length < size) {
        lastElem.push(elem)
    } else {
        list.push([elem])
    }
    return list
}

f-expression.js

var intoTuple = curry(function (size, list, elem) {
    var lastElem = last(list)
    if (lastElem && lastElem.length < size) {
        lastElem.push(elem)
    } else {
        list.push([elem])
    }
    return list
})