iter-tools-es/impls/$map/map.js

The iterable toolbox

const {
  iterableCurry
} = require('../../internal/iterable.js');

function* __map(source, func) {
  let c = 0;

  for (const value of source) {
    yield func(value, c++);
  }
}

exports.__map = __map;
const map = /*#__PURE__*/iterableCurry(__map);
exports.map = map;