_.iteratee([func=_.identity])

_.isLength(value)

_.throttle(func, [wait=0], [options={}])

_.multiply(multiplier, multiplicand)

_.sample(collection)

_.ary(func, [n=func.length])

_.isSafeInteger(value)

_.assign(object, [sources])

_.isTypedArray(value)

_.isMatchWith(object, source, [customizer])