Creating n sized lists

creating-n-sized-lists.js

// curry is ncurry(2)
var intoList = curry(function (size, list, elem) {
        var lastElem = last(list)
        if (lastElem && lastElem.length < size) {
            lastElem.push(elem)
        } else {
            list.push([elem])
        }
        return list
    })
    , intoTriplet = intoList(3)
    , intoTuple = intoList(2)

usage.js

// reduce is Array.prototype.reduce.call.bind(Array.prototype.reduce)
reduce(list, intoTriplet, [])
reduce(list, intoTuple, [])