Method parse

src/controllers/controller.doughnut.js:145–164

* Override data parsing, since we are not using scales

(start, count)

	 * Override data parsing, since we are not using scales
	 */
  parse(start, count) {
    const data = this.getDataset().data;
    const meta = this._cachedMeta;

    if (this._parsing === false) {
      meta._parsed = data;
    } else {
      let getter = (i) => +data[i];

      if (isObject(data[start])) {
        const {key = 'value'} = this._parsing;
        getter = (i) => +resolveObjectKey(data[i], key);
      }

      let i, ilen;
      for (i = start, ilen = start + count; i < ilen; ++i) {
        meta._parsed[i] = getter(i);
      }
    }
  }

  /**
	 * @private