> <span class="ci">str</span> <span
      class="ci">result</span></code> skips over the string <code class="fsharp"><span class="ci">str</span></code>, but it returns <code
      class="fsharp"><span class="ci">result</span></code> as part of its reply value, instead of the <code class="fsharp"><span
      class="ci">unit</span></code> value <code class="fsharp"><span class="cp">()</span></code> that <code class="fsharp"><span
      class="ci">skipString</span> <span class="ci">str</span></code> returns. T