reverse = (...params) => {
  let out
  let slice
  if (params.length === 1) {
    out = create()
    slice = params[0]
  } else {
    out = params[0]
    slice = params[1]
  }
  // reverse the edges
  out.edges = slice.edges.map((edge) => [edge[1], edge[0]])
  return out
}
Reverse the edges of the given slice.

@param {slice} [out] - receiving slice
@param {slice} slice - slice to reverse
@returns {slice} reverse of the slice
@alias module:modeling/extrusions/slice.reverse