How to use the iter-tools.map function in iter-tools

To help you get started, we’ve selected a few iter-tools examples, based on popular ways it is used in public projects.

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*keys() {
    yield* map((_, i) => i, this);
  }

mapEntries(mapFn) {
    this.__transforms.push(map((entry, i) => mapFn(entry, i)));
    return this;
  }

*entries() {
    yield* map((value, i) => [i, value], this);
  }
}

mapKeys(mapFn) {
    this.__transforms.push(map(([key, value]) => [mapFn(key, value), value]));
    return this;
  }

map(mapFn) {
    this.__transforms.push(map(mapFn));
    return this;
  }

map(mapFn) {
    this.__transforms.push(map(item => mapFn(item)));
    return this;
  }

map(mapFn) {
    this.__transforms.push(map(([key, value]) => [key, mapFn(value, key)]));
    return this;
  }

*values() {
    yield* map(([_, value]) => value, this);
  }