Function array

external/.d3.js:17779–17783

(x)

var slice = Array.prototype.slice;

function array(x) {
  return typeof x === "object" && "length" in x
    ? x // Array, TypedArray, NodeList, array-like
    : Array.from(x); // Map, Set, iterable, string, or anything else
}

function Linear(context) {
  this._context = context;