Function findEntry

src/CollectionImpl.js:326–335

(predicate, context, notSetValue)

  },

  findEntry(predicate, context, notSetValue) {
    let found = notSetValue;
    this.__iterate((v, k, c) => {
      if (predicate.call(context, v, k, c)) {
        found = [k, v];
        return false;
      }
    });
    return found;
  },

  findKey(predicate, context) {
    const entry = this.findEntry(predicate, context);