video1.0<iframe src="https://www.loom.com/embed/f2c8f96b71f34c5fb428ef25e65fd309" frameborder="0" width="1920" height="1440" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>14401920Loomhttps://www.loom.com14401920https://cdn.loom.com/sessions/thumbnails/f2c8f96b71f34c5fb428ef25e65fd309-00001.gif430.7666666666677Basics: Fold through the Lense of the Accumulator Pattern