libs/modularize/spread.js
function spread(func, start) {
  if (typeof func != 'function') {
    throw new TypeError(FUNC_ERROR_TEXT);
  }
  start = start === undefined ? 0 : nativeMax(toInteger(start), 0);
  return baseRest(function(args) {
    var array = args[start],
        otherArgs = castSlice(args, 0, start);

    if (array) {
      arrayPush(otherArgs, array);
    }
    return apply(func, this, otherArgs);
  });
}
function spread(func, start) {
  if (typeof func != 'function') {
    throw new TypeError(FUNC_ERROR_TEXT);
  }
  start = start === undefined ? 0 : nativeMax(toInteger(start), 0);
  return baseRest(function(args) {
    var array = args[start],
        otherArgs = castSlice(args, 0, start);

    if (array) {
      arrayPush(otherArgs, array);
    }
    return apply(func, this, otherArgs);
  });
}
Creates a function that invokes `func` with the `this` binding of the
create function and an array of arguments much like
[`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).

**Note:** This method is based on the
[spread operator](https://mdn.io/spread_operator).

@static
@memberOf _
@since 3.2.0
@category Function
@param {Function} func The function to spread arguments over.
@param {number} [start=0] The start position of the spread.
@returns {Function} Returns the new function.
@example

var say = _.spread(function(who, what) {
return who + ' says ' + what;
});

say(['fred', 'hello']);
// => 'fred says hello'

var numbers = Promise.all([
Promise.resolve(40),
Promise.resolve(36)
]);

numbers.then(_.spread(function(x, y) {
return x + y;
}));
// => a Promise of 76